Home / 3,690,686.51-5,535,391.40-1,668,460.13

Finding the Fourth Proportional to 3,690,686.51, 5,535,391.40 and 1,668,460.13

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Solution

The fourth proportional to 3,690,686.51, 5,535,391.40 and 1,668,460.13 is: 2,502,401.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690,686.51 : 5,535,391.40 = 1,668,460.13 : x
  2. Step 2: Convert to fraction form
    3,690,686.51/5,535,391.40 = 1,668,460.13/x
  3. Step 3: Cross multiply
    3,690,686.51x = 5,535,391.40 × 1,668,460.13
  4. Step 4: Simplify right side
    3,690,686.51x = 9,235,579,846,502.58
  5. Step 5: Solve for x
    x = 9,235,579,846,502.58/3,690,686.51
  6. Step 6: Final answer
    x = 2,502,401.61

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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.