Home / 5,210,142.40-7,815,213.60-3,509,531.20

Finding the Fourth Proportional to 5,210,142.40, 7,815,213.60 and 3,509,531.20

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Solution

The fourth proportional to 5,210,142.40, 7,815,213.60 and 3,509,531.20 is: 5,264,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210,142.40 : 7,815,213.60 = 3,509,531.20 : x
  2. Step 2: Convert to fraction form
    5,210,142.40/7,815,213.60 = 3,509,531.20/x
  3. Step 3: Cross multiply
    5,210,142.40x = 7,815,213.60 × 3,509,531.20
  4. Step 4: Simplify right side
    5,210,142.40x = 27,427,735,963,864.32
  5. Step 5: Solve for x
    x = 27,427,735,963,864.32/5,210,142.40
  6. Step 6: Final answer
    x = 5,264,296.80

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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.