Home / 3,087,213.68-4,260,670.08-1,780,516.64

Finding the Fourth Proportional to 3,087,213.68, 4,260,670.08 and 1,780,516.64

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Solution

The fourth proportional to 3,087,213.68, 4,260,670.08 and 1,780,516.64 is: 2,457,294.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087,213.68 : 4,260,670.08 = 1,780,516.64 : x
  2. Step 2: Convert to fraction form
    3,087,213.68/4,260,670.08 = 1,780,516.64/x
  3. Step 3: Cross multiply
    3,087,213.68x = 4,260,670.08 × 1,780,516.64
  4. Step 4: Simplify right side
    3,087,213.68x = 7,586,193,974,990.13
  5. Step 5: Solve for x
    x = 7,586,193,974,990.13/3,087,213.68
  6. Step 6: Final answer
    x = 2,457,294.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.