Home / 2,803,938.67-4,206,002.51-782,231.95

Finding the Fourth Proportional to 2,803,938.67, 4,206,002.51 and 782,231.95

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Solution

The fourth proportional to 2,803,938.67, 4,206,002.51 and 782,231.95 is: 1,173,374.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803,938.67 : 4,206,002.51 = 782,231.95 : x
  2. Step 2: Convert to fraction form
    2,803,938.67/4,206,002.51 = 782,231.95/x
  3. Step 3: Cross multiply
    2,803,938.67x = 4,206,002.51 × 782,231.95
  4. Step 4: Simplify right side
    2,803,938.67x = 3,290,069,541,191.03
  5. Step 5: Solve for x
    x = 3,290,069,541,191.03/2,803,938.67
  6. Step 6: Final answer
    x = 1,173,374.29

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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.