Home / 3,852,693.81-5,779,868.92-1,120,288.69

Finding the Fourth Proportional to 3,852,693.81, 5,779,868.92 and 1,120,288.69

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Solution

The fourth proportional to 3,852,693.81, 5,779,868.92 and 1,120,288.69 is: 1,680,673.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852,693.81 : 5,779,868.92 = 1,120,288.69 : x
  2. Step 2: Convert to fraction form
    3,852,693.81/5,779,868.92 = 1,120,288.69/x
  3. Step 3: Cross multiply
    3,852,693.81x = 5,779,868.92 × 1,120,288.69
  4. Step 4: Simplify right side
    3,852,693.81x = 6,475,121,780,758.52
  5. Step 5: Solve for x
    x = 6,475,121,780,758.52/3,852,693.81
  6. Step 6: Final answer
    x = 1,680,673.86

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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.