Home / 2,681,318.04-4,022,001.67-1,909,559.91

Finding the Fourth Proportional to 2,681,318.04, 4,022,001.67 and 1,909,559.91

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Solution

The fourth proportional to 2,681,318.04, 4,022,001.67 and 1,909,559.91 is: 2,864,357.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681,318.04 : 4,022,001.67 = 1,909,559.91 : x
  2. Step 2: Convert to fraction form
    2,681,318.04/4,022,001.67 = 1,909,559.91/x
  3. Step 3: Cross multiply
    2,681,318.04x = 4,022,001.67 × 1,909,559.91
  4. Step 4: Simplify right side
    2,681,318.04x = 7,680,253,155,503.44
  5. Step 5: Solve for x
    x = 7,680,253,155,503.44/2,681,318.04
  6. Step 6: Final answer
    x = 2,864,357.39

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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.