Home / 3,508,779.60-4,842,397.17-2,789,562.78

Finding the Fourth Proportional to 3,508,779.60, 4,842,397.17 and 2,789,562.78

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Solution

The fourth proportional to 3,508,779.60, 4,842,397.17 and 2,789,562.78 is: 3,849,820.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508,779.60 : 4,842,397.17 = 2,789,562.78 : x
  2. Step 2: Convert to fraction form
    3,508,779.60/4,842,397.17 = 2,789,562.78/x
  3. Step 3: Cross multiply
    3,508,779.60x = 4,842,397.17 × 2,789,562.78
  4. Step 4: Simplify right side
    3,508,779.60x = 13,508,170,911,409.33
  5. Step 5: Solve for x
    x = 13,508,170,911,409.33/3,508,779.60
  6. Step 6: Final answer
    x = 3,849,820.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.