Home / 3,989,479.48-5,501,744.58-3,176,367.28

Finding the Fourth Proportional to 3,989,479.48, 5,501,744.58 and 3,176,367.28

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Solution

The fourth proportional to 3,989,479.48, 5,501,744.58 and 3,176,367.28 is: 4,380,411.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,479.48 : 5,501,744.58 = 3,176,367.28 : x
  2. Step 2: Convert to fraction form
    3,989,479.48/5,501,744.58 = 3,176,367.28/x
  3. Step 3: Cross multiply
    3,989,479.48x = 5,501,744.58 × 3,176,367.28
  4. Step 4: Simplify right side
    3,989,479.48x = 17,475,561,466,829.34
  5. Step 5: Solve for x
    x = 17,475,561,466,829.34/3,989,479.48
  6. Step 6: Final answer
    x = 4,380,411.42

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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.