Home / 2,861,775.90-3,948,389.55-1,715,437.98

Finding the Fourth Proportional to 2,861,775.90, 3,948,389.55 and 1,715,437.98

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Solution

The fourth proportional to 2,861,775.90, 3,948,389.55 and 1,715,437.98 is: 2,366,788.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,775.90 : 3,948,389.55 = 1,715,437.98 : x
  2. Step 2: Convert to fraction form
    2,861,775.90/3,948,389.55 = 1,715,437.98/x
  3. Step 3: Cross multiply
    2,861,775.90x = 3,948,389.55 × 1,715,437.98
  4. Step 4: Simplify right side
    2,861,775.90x = 6,773,217,393,905.11
  5. Step 5: Solve for x
    x = 6,773,217,393,905.11/2,861,775.90
  6. Step 6: Final answer
    x = 2,366,788.19

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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.