Home / 3,117,607.80-4,676,411.70-988,344.60

Finding the Fourth Proportional to 3,117,607.80, 4,676,411.70 and 988,344.60

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Solution

The fourth proportional to 3,117,607.80, 4,676,411.70 and 988,344.60 is: 1,482,516.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,607.80 : 4,676,411.70 = 988,344.60 : x
  2. Step 2: Convert to fraction form
    3,117,607.80/4,676,411.70 = 988,344.60/x
  3. Step 3: Cross multiply
    3,117,607.80x = 4,676,411.70 × 988,344.60
  4. Step 4: Simplify right side
    3,117,607.80x = 4,621,906,251,071.82
  5. Step 5: Solve for x
    x = 4,621,906,251,071.82/3,117,607.80
  6. Step 6: Final answer
    x = 1,482,516.90

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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.