Home / 3,782,638.19-5,666,641.70-3,168,130.61

Finding the Fourth Proportional to 3,782,638.19, 5,666,641.70 and 3,168,130.61

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Solution

The fourth proportional to 3,782,638.19, 5,666,641.70 and 3,168,130.61 is: 4,746,068.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782,638.19 : 5,666,641.70 = 3,168,130.61 : x
  2. Step 2: Convert to fraction form
    3,782,638.19/5,666,641.70 = 3,168,130.61/x
  3. Step 3: Cross multiply
    3,782,638.19x = 5,666,641.70 × 3,168,130.61
  4. Step 4: Simplify right side
    3,782,638.19x = 17,952,660,981,498.58
  5. Step 5: Solve for x
    x = 17,952,660,981,498.58/3,782,638.19
  6. Step 6: Final answer
    x = 4,746,068.78

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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.