Home / 2,877,142.16-3,970,173.48-1,587,899.28

Finding the Fourth Proportional to 2,877,142.16, 3,970,173.48 and 1,587,899.28

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Solution

The fourth proportional to 2,877,142.16, 3,970,173.48 and 1,587,899.28 is: 2,191,144.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,142.16 : 3,970,173.48 = 1,587,899.28 : x
  2. Step 2: Convert to fraction form
    2,877,142.16/3,970,173.48 = 1,587,899.28/x
  3. Step 3: Cross multiply
    2,877,142.16x = 3,970,173.48 × 1,587,899.28
  4. Step 4: Simplify right side
    2,877,142.16x = 6,304,235,610,367.10
  5. Step 5: Solve for x
    x = 6,304,235,610,367.10/2,877,142.16
  6. Step 6: Final answer
    x = 2,191,144.98

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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.