Home / 2,887,457.70-4,331,186.55-2,635,515.30

Finding the Fourth Proportional to 2,887,457.70, 4,331,186.55 and 2,635,515.30

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Solution

The fourth proportional to 2,887,457.70, 4,331,186.55 and 2,635,515.30 is: 3,953,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,457.70 : 4,331,186.55 = 2,635,515.30 : x
  2. Step 2: Convert to fraction form
    2,887,457.70/4,331,186.55 = 2,635,515.30/x
  3. Step 3: Cross multiply
    2,887,457.70x = 4,331,186.55 × 2,635,515.30
  4. Step 4: Simplify right side
    2,887,457.70x = 11,414,908,419,679.21
  5. Step 5: Solve for x
    x = 11,414,908,419,679.21/2,887,457.70
  6. Step 6: Final answer
    x = 3,953,272.95

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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.