Home / 5,479,945.60-8,220,436.80-1,490,857.60

Finding the Fourth Proportional to 5,479,945.60, 8,220,436.80 and 1,490,857.60

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Solution

The fourth proportional to 5,479,945.60, 8,220,436.80 and 1,490,857.60 is: 2,236,427.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479,945.60 : 8,220,436.80 = 1,490,857.60 : x
  2. Step 2: Convert to fraction form
    5,479,945.60/8,220,436.80 = 1,490,857.60/x
  3. Step 3: Cross multiply
    5,479,945.60x = 8,220,436.80 × 1,490,857.60
  4. Step 4: Simplify right side
    5,479,945.60x = 12,255,500,678,599.68
  5. Step 5: Solve for x
    x = 12,255,500,678,599.68/5,479,945.60
  6. Step 6: Final answer
    x = 2,236,427.43

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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.