Home / 1,815,563.70-2,723,345.55-1,248,693.30

Finding the Fourth Proportional to 1,815,563.70, 2,723,345.55 and 1,248,693.30

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Solution

The fourth proportional to 1,815,563.70, 2,723,345.55 and 1,248,693.30 is: 1,873,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,563.70 : 2,723,345.55 = 1,248,693.30 : x
  2. Step 2: Convert to fraction form
    1,815,563.70/2,723,345.55 = 1,248,693.30/x
  3. Step 3: Cross multiply
    1,815,563.70x = 2,723,345.55 × 1,248,693.30
  4. Step 4: Simplify right side
    1,815,563.70x = 3,400,623,341,869.82
  5. Step 5: Solve for x
    x = 3,400,623,341,869.82/1,815,563.70
  6. Step 6: Final answer
    x = 1,873,039.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.