Home / 2,877,041.12-3,970,308.62-1,587,872.28

Finding the Fourth Proportional to 2,877,041.12, 3,970,308.62 and 1,587,872.28

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Solution

The fourth proportional to 2,877,041.12, 3,970,308.62 and 1,587,872.28 is: 2,191,259.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,041.12 : 3,970,308.62 = 1,587,872.28 : x
  2. Step 2: Convert to fraction form
    2,877,041.12/3,970,308.62 = 1,587,872.28/x
  3. Step 3: Cross multiply
    2,877,041.12x = 3,970,308.62 × 1,587,872.28
  4. Step 4: Simplify right side
    2,877,041.12x = 6,304,342,992,803.69
  5. Step 5: Solve for x
    x = 6,304,342,992,803.69/2,877,041.12
  6. Step 6: Final answer
    x = 2,191,259.26

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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.