Home / 3,181,638.16-4,390,759.92-1,805,039.92

Finding the Fourth Proportional to 3,181,638.16, 4,390,759.92 and 1,805,039.92

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Solution

The fourth proportional to 3,181,638.16, 4,390,759.92 and 1,805,039.92 is: 2,491,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,638.16 : 4,390,759.92 = 1,805,039.92 : x
  2. Step 2: Convert to fraction form
    3,181,638.16/4,390,759.92 = 1,805,039.92/x
  3. Step 3: Cross multiply
    3,181,638.16x = 4,390,759.92 × 1,805,039.92
  4. Step 4: Simplify right side
    3,181,638.16x = 7,925,496,934,736.01
  5. Step 5: Solve for x
    x = 7,925,496,934,736.01/3,181,638.16
  6. Step 6: Final answer
    x = 2,491,011.40

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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.