Home / 1,567,377.95-2,160,979.22-1,015,117.92

Finding the Fourth Proportional to 1,567,377.95, 2,160,979.22 and 1,015,117.92

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Solution

The fourth proportional to 1,567,377.95, 2,160,979.22 and 1,015,117.92 is: 1,399,565.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,377.95 : 2,160,979.22 = 1,015,117.92 : x
  2. Step 2: Convert to fraction form
    1,567,377.95/2,160,979.22 = 1,015,117.92/x
  3. Step 3: Cross multiply
    1,567,377.95x = 2,160,979.22 × 1,015,117.92
  4. Step 4: Simplify right side
    1,567,377.95x = 2,193,648,733,507.42
  5. Step 5: Solve for x
    x = 2,193,648,733,507.42/1,567,377.95
  6. Step 6: Final answer
    x = 1,399,565.91

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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.