Home / 4,121,428.60-6,182,078.10-1,129,612.60

Finding the Fourth Proportional to 4,121,428.60, 6,182,078.10 and 1,129,612.60

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Solution

The fourth proportional to 4,121,428.60, 6,182,078.10 and 1,129,612.60 is: 1,694,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121,428.60 : 6,182,078.10 = 1,129,612.60 : x
  2. Step 2: Convert to fraction form
    4,121,428.60/6,182,078.10 = 1,129,612.60/x
  3. Step 3: Cross multiply
    4,121,428.60x = 6,182,078.10 × 1,129,612.60
  4. Step 4: Simplify right side
    4,121,428.60x = 6,983,353,315,944.06
  5. Step 5: Solve for x
    x = 6,983,353,315,944.06/4,121,428.60
  6. Step 6: Final answer
    x = 1,694,401.14

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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.