Home / 4,860,865.60-7,290,607.20-1,666,139.20

Finding the Fourth Proportional to 4,860,865.60, 7,290,607.20 and 1,666,139.20

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Solution

The fourth proportional to 4,860,865.60, 7,290,607.20 and 1,666,139.20 is: 2,498,971.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860,865.60 : 7,290,607.20 = 1,666,139.20 : x
  2. Step 2: Convert to fraction form
    4,860,865.60/7,290,607.20 = 1,666,139.20/x
  3. Step 3: Cross multiply
    4,860,865.60x = 7,290,607.20 × 1,666,139.20
  4. Step 4: Simplify right side
    4,860,865.60x = 12,147,166,447,722.24
  5. Step 5: Solve for x
    x = 12,147,166,447,722.24/4,860,865.60
  6. Step 6: Final answer
    x = 2,498,971.88

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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.