Home / 3,642,820.80-5,464,231.20-1,851,230.40

Finding the Fourth Proportional to 3,642,820.80, 5,464,231.20 and 1,851,230.40

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Solution

The fourth proportional to 3,642,820.80, 5,464,231.20 and 1,851,230.40 is: 2,776,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642,820.80 : 5,464,231.20 = 1,851,230.40 : x
  2. Step 2: Convert to fraction form
    3,642,820.80/5,464,231.20 = 1,851,230.40/x
  3. Step 3: Cross multiply
    3,642,820.80x = 5,464,231.20 × 1,851,230.40
  4. Step 4: Simplify right side
    3,642,820.80x = 10,115,550,910,068.48
  5. Step 5: Solve for x
    x = 10,115,550,910,068.48/3,642,820.80
  6. Step 6: Final answer
    x = 2,776,845.60

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Similar ratio
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1.5x scale

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.