Home / 3,586,979.20-5,380,468.80-1,312,499.20

Finding the Fourth Proportional to 3,586,979.20, 5,380,468.80 and 1,312,499.20

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Solution

The fourth proportional to 3,586,979.20, 5,380,468.80 and 1,312,499.20 is: 1,968,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586,979.20 : 5,380,468.80 = 1,312,499.20 : x
  2. Step 2: Convert to fraction form
    3,586,979.20/5,380,468.80 = 1,312,499.20/x
  3. Step 3: Cross multiply
    3,586,979.20x = 5,380,468.80 × 1,312,499.20
  4. Step 4: Simplify right side
    3,586,979.20x = 7,061,860,995,624.96
  5. Step 5: Solve for x
    x = 7,061,860,995,624.96/3,586,979.20
  6. Step 6: Final answer
    x = 1,968,748.80

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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.