Home / 1,614,465-2,227,518.30-1,123,884.72

Finding the Fourth Proportional to 1,614,465, 2,227,518.30 and 1,123,884.72

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Solution

The fourth proportional to 1,614,465, 2,227,518.30 and 1,123,884.72 is: 1,550,652.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614,465 : 2,227,518.30 = 1,123,884.72 : x
  2. Step 2: Convert to fraction form
    1,614,465/2,227,518.30 = 1,123,884.72/x
  3. Step 3: Cross multiply
    1,614,465x = 2,227,518.30 × 1,123,884.72
  4. Step 4: Simplify right side
    1,614,465x = 2,503,473,780,890.38
  5. Step 5: Solve for x
    x = 2,503,473,780,890.38/1,614,465
  6. Step 6: Final answer
    x = 1,550,652.25

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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.