Home / 3,703,987.20-5,555,980.80-3,312,076.80

Finding the Fourth Proportional to 3,703,987.20, 5,555,980.80 and 3,312,076.80

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Solution

The fourth proportional to 3,703,987.20, 5,555,980.80 and 3,312,076.80 is: 4,968,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703,987.20 : 5,555,980.80 = 3,312,076.80 : x
  2. Step 2: Convert to fraction form
    3,703,987.20/5,555,980.80 = 3,312,076.80/x
  3. Step 3: Cross multiply
    3,703,987.20x = 5,555,980.80 × 3,312,076.80
  4. Step 4: Simplify right side
    3,703,987.20x = 18,401,835,108,925.44
  5. Step 5: Solve for x
    x = 18,401,835,108,925.44/3,703,987.20
  6. Step 6: Final answer
    x = 4,968,115.20

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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.