Home / 4,401,280.80-6,612,418.80-3,939,386.40

Finding the Fourth Proportional to 4,401,280.80, 6,612,418.80 and 3,939,386.40

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Solution

The fourth proportional to 4,401,280.80, 6,612,418.80 and 3,939,386.40 is: 5,918,475.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,401,280.80 : 6,612,418.80 = 3,939,386.40 : x
  2. Step 2: Convert to fraction form
    4,401,280.80/6,612,418.80 = 3,939,386.40/x
  3. Step 3: Cross multiply
    4,401,280.80x = 6,612,418.80 × 3,939,386.40
  4. Step 4: Simplify right side
    4,401,280.80x = 26,048,872,691,824.32
  5. Step 5: Solve for x
    x = 26,048,872,691,824.32/4,401,280.80
  6. Step 6: Final answer
    x = 5,918,475.52

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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.