Home / 2,877,038.90-3,970,294.12-1,587,879.25

Finding the Fourth Proportional to 2,877,038.90, 3,970,294.12 and 1,587,879.25

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Solution

The fourth proportional to 2,877,038.90, 3,970,294.12 and 1,587,879.25 is: 2,191,262.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,038.90 : 3,970,294.12 = 1,587,879.25 : x
  2. Step 2: Convert to fraction form
    2,877,038.90/3,970,294.12 = 1,587,879.25/x
  3. Step 3: Cross multiply
    2,877,038.90x = 3,970,294.12 × 1,587,879.25
  4. Step 4: Simplify right side
    2,877,038.90x = 6,304,347,649,545.01
  5. Step 5: Solve for x
    x = 6,304,347,649,545.01/2,877,038.90
  6. Step 6: Final answer
    x = 2,191,262.57

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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.