Home / 3,168,416.90-4,749,126.15-1,749,491.30

Finding the Fourth Proportional to 3,168,416.90, 4,749,126.15 and 1,749,491.30

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Solution

The fourth proportional to 3,168,416.90, 4,749,126.15 and 1,749,491.30 is: 2,622,304.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,416.90 : 4,749,126.15 = 1,749,491.30 : x
  2. Step 2: Convert to fraction form
    3,168,416.90/4,749,126.15 = 1,749,491.30/x
  3. Step 3: Cross multiply
    3,168,416.90x = 4,749,126.15 × 1,749,491.30
  4. Step 4: Simplify right side
    3,168,416.90x = 8,308,554,882,027.50
  5. Step 5: Solve for x
    x = 8,308,554,882,027.50/3,168,416.90
  6. Step 6: Final answer
    x = 2,622,304.81

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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.