Home / 1,980,313.13-2,732,761.40-1,120,854.93

Finding the Fourth Proportional to 1,980,313.13, 2,732,761.40 and 1,120,854.93

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Solution

The fourth proportional to 1,980,313.13, 2,732,761.40 and 1,120,854.93 is: 1,546,739.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,313.13 : 2,732,761.40 = 1,120,854.93 : x
  2. Step 2: Convert to fraction form
    1,980,313.13/2,732,761.40 = 1,120,854.93/x
  3. Step 3: Cross multiply
    1,980,313.13x = 2,732,761.40 × 1,120,854.93
  4. Step 4: Simplify right side
    1,980,313.13x = 3,063,029,082,099.43
  5. Step 5: Solve for x
    x = 3,063,029,082,099.43/1,980,313.13
  6. Step 6: Final answer
    x = 1,546,739.78

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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.