Home / 3,114,110.40-4,671,165.60-1,912,135.20

Finding the Fourth Proportional to 3,114,110.40, 4,671,165.60 and 1,912,135.20

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Solution

The fourth proportional to 3,114,110.40, 4,671,165.60 and 1,912,135.20 is: 2,868,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,110.40 : 4,671,165.60 = 1,912,135.20 : x
  2. Step 2: Convert to fraction form
    3,114,110.40/4,671,165.60 = 1,912,135.20/x
  3. Step 3: Cross multiply
    3,114,110.40x = 4,671,165.60 × 1,912,135.20
  4. Step 4: Simplify right side
    3,114,110.40x = 8,931,900,168,789.12
  5. Step 5: Solve for x
    x = 8,931,900,168,789.12/3,114,110.40
  6. Step 6: Final answer
    x = 2,868,202.80

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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.