Home / 2,918,817.45-4,378,225.95-1,479,276.64

Finding the Fourth Proportional to 2,918,817.45, 4,378,225.95 and 1,479,276.64

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Solution

The fourth proportional to 2,918,817.45, 4,378,225.95 and 1,479,276.64 is: 2,218,914.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,817.45 : 4,378,225.95 = 1,479,276.64 : x
  2. Step 2: Convert to fraction form
    2,918,817.45/4,378,225.95 = 1,479,276.64/x
  3. Step 3: Cross multiply
    2,918,817.45x = 4,378,225.95 × 1,479,276.64
  4. Step 4: Simplify right side
    2,918,817.45x = 6,476,607,373,789.13
  5. Step 5: Solve for x
    x = 6,476,607,373,789.13/2,918,817.45
  6. Step 6: Final answer
    x = 2,218,914.85

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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.