Home / 1,606,502.05-2,413,689.69-1,207,921.30

Finding the Fourth Proportional to 1,606,502.05, 2,413,689.69 and 1,207,921.30

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Solution

The fourth proportional to 1,606,502.05, 2,413,689.69 and 1,207,921.30 is: 1,814,841.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,502.05 : 2,413,689.69 = 1,207,921.30 : x
  2. Step 2: Convert to fraction form
    1,606,502.05/2,413,689.69 = 1,207,921.30/x
  3. Step 3: Cross multiply
    1,606,502.05x = 2,413,689.69 × 1,207,921.30
  4. Step 4: Simplify right side
    1,606,502.05x = 2,915,547,188,141.40
  5. Step 5: Solve for x
    x = 2,915,547,188,141.40/1,606,502.05
  6. Step 6: Final answer
    x = 1,814,841.87

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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.