Home / 2,390,641.20-3,587,920.20-2,371,978.80

Finding the Fourth Proportional to 2,390,641.20, 3,587,920.20 and 2,371,978.80

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Solution

The fourth proportional to 2,390,641.20, 3,587,920.20 and 2,371,978.80 is: 3,559,911.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,641.20 : 3,587,920.20 = 2,371,978.80 : x
  2. Step 2: Convert to fraction form
    2,390,641.20/3,587,920.20 = 2,371,978.80/x
  3. Step 3: Cross multiply
    2,390,641.20x = 3,587,920.20 × 2,371,978.80
  4. Step 4: Simplify right side
    2,390,641.20x = 8,510,470,650,491.76
  5. Step 5: Solve for x
    x = 8,510,470,650,491.76/2,390,641.20
  6. Step 6: Final answer
    x = 3,559,911.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.