Home / 4,126,501.60-6,189,752.40-1,286,591.20

Finding the Fourth Proportional to 4,126,501.60, 6,189,752.40 and 1,286,591.20

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Solution

The fourth proportional to 4,126,501.60, 6,189,752.40 and 1,286,591.20 is: 1,929,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126,501.60 : 6,189,752.40 = 1,286,591.20 : x
  2. Step 2: Convert to fraction form
    4,126,501.60/6,189,752.40 = 1,286,591.20/x
  3. Step 3: Cross multiply
    4,126,501.60x = 6,189,752.40 × 1,286,591.20
  4. Step 4: Simplify right side
    4,126,501.60x = 7,963,680,968,018.88
  5. Step 5: Solve for x
    x = 7,963,680,968,018.88/4,126,501.60
  6. Step 6: Final answer
    x = 1,929,886.80

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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.