Home / 6,475,081.90-9,710,342.86-2,155,959.20

Finding the Fourth Proportional to 6,475,081.90, 9,710,342.86 and 2,155,959.20

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Solution

The fourth proportional to 6,475,081.90, 9,710,342.86 and 2,155,959.20 is: 3,233,179.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475,081.90 : 9,710,342.86 = 2,155,959.20 : x
  2. Step 2: Convert to fraction form
    6,475,081.90/9,710,342.86 = 2,155,959.20/x
  3. Step 3: Cross multiply
    6,475,081.90x = 9,710,342.86 × 2,155,959.20
  4. Step 4: Simplify right side
    6,475,081.90x = 20,935,103,024,171.31
  5. Step 5: Solve for x
    x = 20,935,103,024,171.31/6,475,081.90
  6. Step 6: Final answer
    x = 3,233,179.65

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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.