Home / 3,113,905.40-4,670,858.10-2,798,977.40

Finding the Fourth Proportional to 3,113,905.40, 4,670,858.10 and 2,798,977.40

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Solution

The fourth proportional to 3,113,905.40, 4,670,858.10 and 2,798,977.40 is: 4,198,466.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113,905.40 : 4,670,858.10 = 2,798,977.40 : x
  2. Step 2: Convert to fraction form
    3,113,905.40/4,670,858.10 = 2,798,977.40/x
  3. Step 3: Cross multiply
    3,113,905.40x = 4,670,858.10 × 2,798,977.40
  4. Step 4: Simplify right side
    3,113,905.40x = 13,073,626,260,506.94
  5. Step 5: Solve for x
    x = 13,073,626,260,506.94/3,113,905.40
  6. Step 6: Final answer
    x = 4,198,466.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.