Home / 4,005,689.92-6,007,883.64-1,309,974.28

Finding the Fourth Proportional to 4,005,689.92, 6,007,883.64 and 1,309,974.28

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Solution

The fourth proportional to 4,005,689.92, 6,007,883.64 and 1,309,974.28 is: 1,964,748.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005,689.92 : 6,007,883.64 = 1,309,974.28 : x
  2. Step 2: Convert to fraction form
    4,005,689.92/6,007,883.64 = 1,309,974.28/x
  3. Step 3: Cross multiply
    4,005,689.92x = 6,007,883.64 × 1,309,974.28
  4. Step 4: Simplify right side
    4,005,689.92x = 7,870,173,045,632.78
  5. Step 5: Solve for x
    x = 7,870,173,045,632.78/4,005,689.92
  6. Step 6: Final answer
    x = 1,964,748.45

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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.