Home / 3,129,862.33-4,696,537.52-1,690,516.81

Finding the Fourth Proportional to 3,129,862.33, 4,696,537.52 and 1,690,516.81

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Solution

The fourth proportional to 3,129,862.33, 4,696,537.52 and 1,690,516.81 is: 2,536,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,862.33 : 4,696,537.52 = 1,690,516.81 : x
  2. Step 2: Convert to fraction form
    3,129,862.33/4,696,537.52 = 1,690,516.81/x
  3. Step 3: Cross multiply
    3,129,862.33x = 4,696,537.52 × 1,690,516.81
  4. Step 4: Simplify right side
    3,129,862.33x = 7,939,575,626,355.71
  5. Step 5: Solve for x
    x = 7,939,575,626,355.71/3,129,862.33
  6. Step 6: Final answer
    x = 2,536,717.21

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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.