Home / 5,157,371.10-7,725,425.13-3,020,978.28

Finding the Fourth Proportional to 5,157,371.10, 7,725,425.13 and 3,020,978.28

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Solution

The fourth proportional to 5,157,371.10, 7,725,425.13 and 3,020,978.28 is: 4,525,239.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157,371.10 : 7,725,425.13 = 3,020,978.28 : x
  2. Step 2: Convert to fraction form
    5,157,371.10/7,725,425.13 = 3,020,978.28/x
  3. Step 3: Cross multiply
    5,157,371.10x = 7,725,425.13 × 3,020,978.28
  4. Step 4: Simplify right side
    5,157,371.10x = 23,338,341,521,496.18
  5. Step 5: Solve for x
    x = 23,338,341,521,496.18/5,157,371.10
  6. Step 6: Final answer
    x = 4,525,239.91

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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.