Home / 3,149,114.20-4,421,357-3,149,114.20

Finding the Fourth Proportional to 3,149,114.20, 4,421,357 and 3,149,114.20

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Solution

The fourth proportional to 3,149,114.20, 4,421,357 and 3,149,114.20 is: 4,421,357

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,114.20 : 4,421,357 = 3,149,114.20 : x
  2. Step 2: Convert to fraction form
    3,149,114.20/4,421,357 = 3,149,114.20/x
  3. Step 3: Cross multiply
    3,149,114.20x = 4,421,357 × 3,149,114.20
  4. Step 4: Simplify right side
    3,149,114.20x = 13,923,358,111,969.40
  5. Step 5: Solve for x
    x = 13,923,358,111,969.40/3,149,114.20
  6. Step 6: Final answer
    x = 4,421,357

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Double scale
Find fourth proportional to 3,149,115.20, 4,421,358.40 and 3,149,115.20
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.