Home / 5,752,845.42-7,938,876.71-3,139,401.21

Finding the Fourth Proportional to 5,752,845.42, 7,938,876.71 and 3,139,401.21

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Solution

The fourth proportional to 5,752,845.42, 7,938,876.71 and 3,139,401.21 is: 4,332,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752,845.42 : 7,938,876.71 = 3,139,401.21 : x
  2. Step 2: Convert to fraction form
    5,752,845.42/7,938,876.71 = 3,139,401.21/x
  3. Step 3: Cross multiply
    5,752,845.42x = 7,938,876.71 × 3,139,401.21
  4. Step 4: Simplify right side
    5,752,845.42x = 24,923,319,157,263.32
  5. Step 5: Solve for x
    x = 24,923,319,157,263.32/5,752,845.42
  6. Step 6: Final answer
    x = 4,332,346.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.