Home / 5,387,030.82-7,423,845.21-3,856,480.74

Finding the Fourth Proportional to 5,387,030.82, 7,423,845.21 and 3,856,480.74

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Solution

The fourth proportional to 5,387,030.82, 7,423,845.21 and 3,856,480.74 is: 5,314,600.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,030.82 : 7,423,845.21 = 3,856,480.74 : x
  2. Step 2: Convert to fraction form
    5,387,030.82/7,423,845.21 = 3,856,480.74/x
  3. Step 3: Cross multiply
    5,387,030.82x = 7,423,845.21 × 3,856,480.74
  4. Step 4: Simplify right side
    5,387,030.82x = 28,629,916,069,106.26
  5. Step 5: Solve for x
    x = 28,629,916,069,106.26/5,387,030.82
  6. Step 6: Final answer
    x = 5,314,600.38

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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.