Home / 3,135,842.80-4,703,764.20-891,689.20

Finding the Fourth Proportional to 3,135,842.80, 4,703,764.20 and 891,689.20

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Solution

The fourth proportional to 3,135,842.80, 4,703,764.20 and 891,689.20 is: 1,337,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135,842.80 : 4,703,764.20 = 891,689.20 : x
  2. Step 2: Convert to fraction form
    3,135,842.80/4,703,764.20 = 891,689.20/x
  3. Step 3: Cross multiply
    3,135,842.80x = 4,703,764.20 × 891,689.20
  4. Step 4: Simplify right side
    3,135,842.80x = 4,194,295,736,486.64
  5. Step 5: Solve for x
    x = 4,194,295,736,486.64/3,135,842.80
  6. Step 6: Final answer
    x = 1,337,533.80

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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.