Home / 3,852,692.81-5,779,867.42-1,120,287.69

Finding the Fourth Proportional to 3,852,692.81, 5,779,867.42 and 1,120,287.69

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Solution

The fourth proportional to 3,852,692.81, 5,779,867.42 and 1,120,287.69 is: 1,680,672.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852,692.81 : 5,779,867.42 = 1,120,287.69 : x
  2. Step 2: Convert to fraction form
    3,852,692.81/5,779,867.42 = 1,120,287.69/x
  3. Step 3: Cross multiply
    3,852,692.81x = 5,779,867.42 × 1,120,287.69
  4. Step 4: Simplify right side
    3,852,692.81x = 6,475,114,306,008.39
  5. Step 5: Solve for x
    x = 6,475,114,306,008.39/3,852,692.81
  6. Step 6: Final answer
    x = 1,680,672.36

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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.