Home / 3,114,620.10-4,671,930.15-1,431,723.60

Finding the Fourth Proportional to 3,114,620.10, 4,671,930.15 and 1,431,723.60

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Solution

The fourth proportional to 3,114,620.10, 4,671,930.15 and 1,431,723.60 is: 2,147,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,620.10 : 4,671,930.15 = 1,431,723.60 : x
  2. Step 2: Convert to fraction form
    3,114,620.10/4,671,930.15 = 1,431,723.60/x
  3. Step 3: Cross multiply
    3,114,620.10x = 4,671,930.15 × 1,431,723.60
  4. Step 4: Simplify right side
    3,114,620.10x = 6,688,912,653,306.54
  5. Step 5: Solve for x
    x = 6,688,912,653,306.54/3,114,620.10
  6. Step 6: Final answer
    x = 2,147,585.40

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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.