Home / 3,211,657.20-4,813,403.40-1,316,257.20

Finding the Fourth Proportional to 3,211,657.20, 4,813,403.40 and 1,316,257.20

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Solution

The fourth proportional to 3,211,657.20, 4,813,403.40 and 1,316,257.20 is: 1,972,712.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,657.20 : 4,813,403.40 = 1,316,257.20 : x
  2. Step 2: Convert to fraction form
    3,211,657.20/4,813,403.40 = 1,316,257.20/x
  3. Step 3: Cross multiply
    3,211,657.20x = 4,813,403.40 × 1,316,257.20
  4. Step 4: Simplify right side
    3,211,657.20x = 6,335,676,881,754.48
  5. Step 5: Solve for x
    x = 6,335,676,881,754.48/3,211,657.20
  6. Step 6: Final answer
    x = 1,972,712.68

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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.