Home / 6,240,951.78-8,612,346.93-3,487,660.68

Finding the Fourth Proportional to 6,240,951.78, 8,612,346.93 and 3,487,660.68

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Solution

The fourth proportional to 6,240,951.78, 8,612,346.93 and 3,487,660.68 is: 4,812,878.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240,951.78 : 8,612,346.93 = 3,487,660.68 : x
  2. Step 2: Convert to fraction form
    6,240,951.78/8,612,346.93 = 3,487,660.68/x
  3. Step 3: Cross multiply
    6,240,951.78x = 8,612,346.93 × 3,487,660.68
  4. Step 4: Simplify right side
    6,240,951.78x = 30,036,943,750,279.71
  5. Step 5: Solve for x
    x = 30,036,943,750,279.71/6,240,951.78
  6. Step 6: Final answer
    x = 4,812,878.68

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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.