Home / 5,479,985.60-8,220,496.80-1,490,897.60

Finding the Fourth Proportional to 5,479,985.60, 8,220,496.80 and 1,490,897.60

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Solution

The fourth proportional to 5,479,985.60, 8,220,496.80 and 1,490,897.60 is: 2,236,487.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479,985.60 : 8,220,496.80 = 1,490,897.60 : x
  2. Step 2: Convert to fraction form
    5,479,985.60/8,220,496.80 = 1,490,897.60/x
  3. Step 3: Cross multiply
    5,479,985.60x = 8,220,496.80 × 1,490,897.60
  4. Step 4: Simplify right side
    5,479,985.60x = 12,255,918,949,927.68
  5. Step 5: Solve for x
    x = 12,255,918,949,927.68/5,479,985.60
  6. Step 6: Final answer
    x = 2,236,487.44

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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.