Home / 2,918,619.73-4,380,620.69-1,480,312.45

Finding the Fourth Proportional to 2,918,619.73, 4,380,620.69 and 1,480,312.45

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Solution

The fourth proportional to 2,918,619.73, 4,380,620.69 and 1,480,312.45 is: 2,221,833.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,619.73 : 4,380,620.69 = 1,480,312.45 : x
  2. Step 2: Convert to fraction form
    2,918,619.73/4,380,620.69 = 1,480,312.45/x
  3. Step 3: Cross multiply
    2,918,619.73x = 4,380,620.69 × 1,480,312.45
  4. Step 4: Simplify right side
    2,918,619.73x = 6,484,687,346,134.59
  5. Step 5: Solve for x
    x = 6,484,687,346,134.59/2,918,619.73
  6. Step 6: Final answer
    x = 2,221,833.59

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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.