Home / 5,480,018.60-8,220,027.90-1,490,930.60

Finding the Fourth Proportional to 5,480,018.60, 8,220,027.90 and 1,490,930.60

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Solution

The fourth proportional to 5,480,018.60, 8,220,027.90 and 1,490,930.60 is: 2,236,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480,018.60 : 8,220,027.90 = 1,490,930.60 : x
  2. Step 2: Convert to fraction form
    5,480,018.60/8,220,027.90 = 1,490,930.60/x
  3. Step 3: Cross multiply
    5,480,018.60x = 8,220,027.90 × 1,490,930.60
  4. Step 4: Simplify right side
    5,480,018.60x = 12,255,491,128,963.74
  5. Step 5: Solve for x
    x = 12,255,491,128,963.74/5,480,018.60
  6. Step 6: Final answer
    x = 2,236,395.90

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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.