Home / 3,912,139.81-5,867,580.26-1,071,587.89

Finding the Fourth Proportional to 3,912,139.81, 5,867,580.26 and 1,071,587.89

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Solution

The fourth proportional to 3,912,139.81, 5,867,580.26 and 1,071,587.89 is: 1,607,209.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,139.81 : 5,867,580.26 = 1,071,587.89 : x
  2. Step 2: Convert to fraction form
    3,912,139.81/5,867,580.26 = 1,071,587.89/x
  3. Step 3: Cross multiply
    3,912,139.81x = 5,867,580.26 × 1,071,587.89
  4. Step 4: Simplify right side
    3,912,139.81x = 6,287,627,954,204.82
  5. Step 5: Solve for x
    x = 6,287,627,954,204.82/3,912,139.81
  6. Step 6: Final answer
    x = 1,607,209.42

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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.