Home / 3,123,307.80-4,684,961.70-993,607.20

Finding the Fourth Proportional to 3,123,307.80, 4,684,961.70 and 993,607.20

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Solution

The fourth proportional to 3,123,307.80, 4,684,961.70 and 993,607.20 is: 1,490,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123,307.80 : 4,684,961.70 = 993,607.20 : x
  2. Step 2: Convert to fraction form
    3,123,307.80/4,684,961.70 = 993,607.20/x
  3. Step 3: Cross multiply
    3,123,307.80x = 4,684,961.70 × 993,607.20
  4. Step 4: Simplify right side
    3,123,307.80x = 4,655,011,676,844.24
  5. Step 5: Solve for x
    x = 4,655,011,676,844.24/3,123,307.80
  6. Step 6: Final answer
    x = 1,490,410.80

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Similar ratio
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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.