Home / 5,479,877.60-8,220,334.80-1,490,789.60

Finding the Fourth Proportional to 5,479,877.60, 8,220,334.80 and 1,490,789.60

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Solution

The fourth proportional to 5,479,877.60, 8,220,334.80 and 1,490,789.60 is: 2,236,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479,877.60 : 8,220,334.80 = 1,490,789.60 : x
  2. Step 2: Convert to fraction form
    5,479,877.60/8,220,334.80 = 1,490,789.60/x
  3. Step 3: Cross multiply
    5,479,877.60x = 8,220,334.80 × 1,490,789.60
  4. Step 4: Simplify right side
    5,479,877.60x = 12,254,789,628,358.08
  5. Step 5: Solve for x
    x = 12,254,789,628,358.08/5,479,877.60
  6. Step 6: Final answer
    x = 2,236,325.43

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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.