Home / 2,129,486.40-3,195,104.40-782,294.40

Finding the Fourth Proportional to 2,129,486.40, 3,195,104.40 and 782,294.40

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Solution

The fourth proportional to 2,129,486.40, 3,195,104.40 and 782,294.40 is: 1,173,762.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,486.40 : 3,195,104.40 = 782,294.40 : x
  2. Step 2: Convert to fraction form
    2,129,486.40/3,195,104.40 = 782,294.40/x
  3. Step 3: Cross multiply
    2,129,486.40x = 3,195,104.40 × 782,294.40
  4. Step 4: Simplify right side
    2,129,486.40x = 2,499,512,279,535.36
  5. Step 5: Solve for x
    x = 2,499,512,279,535.36/2,129,486.40
  6. Step 6: Final answer
    x = 1,173,762.97

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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.