Home / 3,939,334.80-5,909,002.20-2,520,992.40

Finding the Fourth Proportional to 3,939,334.80, 5,909,002.20 and 2,520,992.40

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Solution

The fourth proportional to 3,939,334.80, 5,909,002.20 and 2,520,992.40 is: 3,781,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,334.80 : 5,909,002.20 = 2,520,992.40 : x
  2. Step 2: Convert to fraction form
    3,939,334.80/5,909,002.20 = 2,520,992.40/x
  3. Step 3: Cross multiply
    3,939,334.80x = 5,909,002.20 × 2,520,992.40
  4. Step 4: Simplify right side
    3,939,334.80x = 14,896,549,637,783.28
  5. Step 5: Solve for x
    x = 14,896,549,637,783.28/3,939,334.80
  6. Step 6: Final answer
    x = 3,781,488.60

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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.