Home / 1,949,747.64-2,690,601.40-1,078,559.63

Finding the Fourth Proportional to 1,949,747.64, 2,690,601.40 and 1,078,559.63

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Solution

The fourth proportional to 1,949,747.64, 2,690,601.40 and 1,078,559.63 is: 1,488,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,747.64 : 2,690,601.40 = 1,078,559.63 : x
  2. Step 2: Convert to fraction form
    1,949,747.64/2,690,601.40 = 1,078,559.63/x
  3. Step 3: Cross multiply
    1,949,747.64x = 2,690,601.40 × 1,078,559.63
  4. Step 4: Simplify right side
    1,949,747.64x = 2,901,974,063,581.06
  5. Step 5: Solve for x
    x = 2,901,974,063,581.06/1,949,747.64
  6. Step 6: Final answer
    x = 1,488,384.45

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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.