Home / 5,232,124.31-7,220,415.52-2,877,415.13

Finding the Fourth Proportional to 5,232,124.31, 7,220,415.52 and 2,877,415.13

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Solution

The fourth proportional to 5,232,124.31, 7,220,415.52 and 2,877,415.13 is: 3,970,879.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232,124.31 : 7,220,415.52 = 2,877,415.13 : x
  2. Step 2: Convert to fraction form
    5,232,124.31/7,220,415.52 = 2,877,415.13/x
  3. Step 3: Cross multiply
    5,232,124.31x = 7,220,415.52 × 2,877,415.13
  4. Step 4: Simplify right side
    5,232,124.31x = 20,776,132,818,839.20
  5. Step 5: Solve for x
    x = 20,776,132,818,839.20/5,232,124.31
  6. Step 6: Final answer
    x = 3,970,879.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.