Home / 5,005,948.87-7,509,672.87-1,811,822.39

Finding the Fourth Proportional to 5,005,948.87, 7,509,672.87 and 1,811,822.39

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Solution

The fourth proportional to 5,005,948.87, 7,509,672.87 and 1,811,822.39 is: 2,718,004.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005,948.87 : 7,509,672.87 = 1,811,822.39 : x
  2. Step 2: Convert to fraction form
    5,005,948.87/7,509,672.87 = 1,811,822.39/x
  3. Step 3: Cross multiply
    5,005,948.87x = 7,509,672.87 × 1,811,822.39
  4. Step 4: Simplify right side
    5,005,948.87x = 13,606,193,403,098.86
  5. Step 5: Solve for x
    x = 13,606,193,403,098.86/5,005,948.87
  6. Step 6: Final answer
    x = 2,718,004.87

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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.