Home / 3,698,672.90-5,548,009.35-1,305,220.10

Finding the Fourth Proportional to 3,698,672.90, 5,548,009.35 and 1,305,220.10

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Solution

The fourth proportional to 3,698,672.90, 5,548,009.35 and 1,305,220.10 is: 1,957,830.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698,672.90 : 5,548,009.35 = 1,305,220.10 : x
  2. Step 2: Convert to fraction form
    3,698,672.90/5,548,009.35 = 1,305,220.10/x
  3. Step 3: Cross multiply
    3,698,672.90x = 5,548,009.35 × 1,305,220.10
  4. Step 4: Simplify right side
    3,698,672.90x = 7,241,373,318,607.94
  5. Step 5: Solve for x
    x = 7,241,373,318,607.94/3,698,672.90
  6. Step 6: Final answer
    x = 1,957,830.15

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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.