Home / 3,852,693-5,779,867.72-1,120,287.89

Finding the Fourth Proportional to 3,852,693, 5,779,867.72 and 1,120,287.89

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Solution

The fourth proportional to 3,852,693, 5,779,867.72 and 1,120,287.89 is: 1,680,672.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852,693 : 5,779,867.72 = 1,120,287.89 : x
  2. Step 2: Convert to fraction form
    3,852,693/5,779,867.72 = 1,120,287.89/x
  3. Step 3: Cross multiply
    3,852,693x = 5,779,867.72 × 1,120,287.89
  4. Step 4: Simplify right side
    3,852,693x = 6,475,115,824,166.86
  5. Step 5: Solve for x
    x = 6,475,115,824,166.86/3,852,693
  6. Step 6: Final answer
    x = 1,680,672.67

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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.