Home / 1,898,475.10-2,619,902.58-1,027,309.80

Finding the Fourth Proportional to 1,898,475.10, 2,619,902.58 and 1,027,309.80

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Solution

The fourth proportional to 1,898,475.10, 2,619,902.58 and 1,027,309.80 is: 1,417,691.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,475.10 : 2,619,902.58 = 1,027,309.80 : x
  2. Step 2: Convert to fraction form
    1,898,475.10/2,619,902.58 = 1,027,309.80/x
  3. Step 3: Cross multiply
    1,898,475.10x = 2,619,902.58 × 1,027,309.80
  4. Step 4: Simplify right side
    1,898,475.10x = 2,691,451,592,145.59
  5. Step 5: Solve for x
    x = 2,691,451,592,145.59/1,898,475.10
  6. Step 6: Final answer
    x = 1,417,691.28

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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.