Home / 3,477,029.40-5,215,544.10-1,776,418.20

Finding the Fourth Proportional to 3,477,029.40, 5,215,544.10 and 1,776,418.20

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Solution

The fourth proportional to 3,477,029.40, 5,215,544.10 and 1,776,418.20 is: 2,664,627.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477,029.40 : 5,215,544.10 = 1,776,418.20 : x
  2. Step 2: Convert to fraction form
    3,477,029.40/5,215,544.10 = 1,776,418.20/x
  3. Step 3: Cross multiply
    3,477,029.40x = 5,215,544.10 × 1,776,418.20
  4. Step 4: Simplify right side
    3,477,029.40x = 9,264,987,462,142.62
  5. Step 5: Solve for x
    x = 9,264,987,462,142.62/3,477,029.40
  6. Step 6: Final answer
    x = 2,664,627.30

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Double scale
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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.