Home / 2,635,869.45-3,949,290.75-1,438,631.84

Finding the Fourth Proportional to 2,635,869.45, 3,949,290.75 and 1,438,631.84

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Solution

The fourth proportional to 2,635,869.45, 3,949,290.75 and 1,438,631.84 is: 2,155,484.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635,869.45 : 3,949,290.75 = 1,438,631.84 : x
  2. Step 2: Convert to fraction form
    2,635,869.45/3,949,290.75 = 1,438,631.84/x
  3. Step 3: Cross multiply
    2,635,869.45x = 3,949,290.75 × 1,438,631.84
  4. Step 4: Simplify right side
    2,635,869.45x = 5,681,575,407,374.66
  5. Step 5: Solve for x
    x = 5,681,575,407,374.66/2,635,869.45
  6. Step 6: Final answer
    x = 2,155,484.37

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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.