Home / 1,979,009.90-2,731,038.87-1,073,591.90

Finding the Fourth Proportional to 1,979,009.90, 2,731,038.87 and 1,073,591.90

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Solution

The fourth proportional to 1,979,009.90, 2,731,038.87 and 1,073,591.90 is: 1,481,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,009.90 : 2,731,038.87 = 1,073,591.90 : x
  2. Step 2: Convert to fraction form
    1,979,009.90/2,731,038.87 = 1,073,591.90/x
  3. Step 3: Cross multiply
    1,979,009.90x = 2,731,038.87 × 1,073,591.90
  4. Step 4: Simplify right side
    1,979,009.90x = 2,932,021,209,417.15
  5. Step 5: Solve for x
    x = 2,932,021,209,417.15/1,979,009.90
  6. Step 6: Final answer
    x = 1,481,559.65

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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.