Home / 2,877,025.42-3,970,275.53-1,587,865.80

Finding the Fourth Proportional to 2,877,025.42, 3,970,275.53 and 1,587,865.80

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Solution

The fourth proportional to 2,877,025.42, 3,970,275.53 and 1,587,865.80 is: 2,191,244.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,025.42 : 3,970,275.53 = 1,587,865.80 : x
  2. Step 2: Convert to fraction form
    2,877,025.42/3,970,275.53 = 1,587,865.80/x
  3. Step 3: Cross multiply
    2,877,025.42x = 3,970,275.53 × 1,587,865.80
  4. Step 4: Simplify right side
    2,877,025.42x = 6,304,264,710,812.50
  5. Step 5: Solve for x
    x = 6,304,264,710,812.50/2,877,025.42
  6. Step 6: Final answer
    x = 2,191,244.01

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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.