Home / 6,145,643.10-9,218,464.65-2,156,555.10

Finding the Fourth Proportional to 6,145,643.10, 9,218,464.65 and 2,156,555.10

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Solution

The fourth proportional to 6,145,643.10, 9,218,464.65 and 2,156,555.10 is: 3,234,832.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145,643.10 : 9,218,464.65 = 2,156,555.10 : x
  2. Step 2: Convert to fraction form
    6,145,643.10/9,218,464.65 = 2,156,555.10/x
  3. Step 3: Cross multiply
    6,145,643.10x = 9,218,464.65 × 2,156,555.10
  4. Step 4: Simplify right side
    6,145,643.10x = 19,880,126,955,127.21
  5. Step 5: Solve for x
    x = 19,880,126,955,127.21/6,145,643.10
  6. Step 6: Final answer
    x = 3,234,832.65

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Double scale
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Similar ratio
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1.5x scale

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.