Home / 3,165,580.92-4,748,329.98-769,418.64

Finding the Fourth Proportional to 3,165,580.92, 4,748,329.98 and 769,418.64

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Solution

The fourth proportional to 3,165,580.92, 4,748,329.98 and 769,418.64 is: 1,154,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165,580.92 : 4,748,329.98 = 769,418.64 : x
  2. Step 2: Convert to fraction form
    3,165,580.92/4,748,329.98 = 769,418.64/x
  3. Step 3: Cross multiply
    3,165,580.92x = 4,748,329.98 × 769,418.64
  4. Step 4: Simplify right side
    3,165,580.92x = 3,653,453,595,482.83
  5. Step 5: Solve for x
    x = 3,653,453,595,482.83/3,165,580.92
  6. Step 6: Final answer
    x = 1,154,117.90

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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.