Home / 6,147,010.80-9,220,429.80-2,781,212.40

Finding the Fourth Proportional to 6,147,010.80, 9,220,429.80 and 2,781,212.40

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Solution

The fourth proportional to 6,147,010.80, 9,220,429.80 and 2,781,212.40 is: 4,171,779.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147,010.80 : 9,220,429.80 = 2,781,212.40 : x
  2. Step 2: Convert to fraction form
    6,147,010.80/9,220,429.80 = 2,781,212.40/x
  3. Step 3: Cross multiply
    6,147,010.80x = 9,220,429.80 × 2,781,212.40
  4. Step 4: Simplify right side
    6,147,010.80x = 25,643,973,693,089.52
  5. Step 5: Solve for x
    x = 25,643,973,693,089.52/6,147,010.80
  6. Step 6: Final answer
    x = 4,171,779.51

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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.