Home / 4,154,749.20-6,231,498.48-1,314,491.76

Finding the Fourth Proportional to 4,154,749.20, 6,231,498.48 and 1,314,491.76

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Solution

The fourth proportional to 4,154,749.20, 6,231,498.48 and 1,314,491.76 is: 1,971,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154,749.20 : 6,231,498.48 = 1,314,491.76 : x
  2. Step 2: Convert to fraction form
    4,154,749.20/6,231,498.48 = 1,314,491.76/x
  3. Step 3: Cross multiply
    4,154,749.20x = 6,231,498.48 × 1,314,491.76
  4. Step 4: Simplify right side
    4,154,749.20x = 8,191,253,404,412.53
  5. Step 5: Solve for x
    x = 8,191,253,404,412.53/4,154,749.20
  6. Step 6: Final answer
    x = 1,971,539.80

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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.