Home / 2,146,559.20-3,219,838.80-2,115,066.40

Finding the Fourth Proportional to 2,146,559.20, 3,219,838.80 and 2,115,066.40

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Solution

The fourth proportional to 2,146,559.20, 3,219,838.80 and 2,115,066.40 is: 3,172,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,559.20 : 3,219,838.80 = 2,115,066.40 : x
  2. Step 2: Convert to fraction form
    2,146,559.20/3,219,838.80 = 2,115,066.40/x
  3. Step 3: Cross multiply
    2,146,559.20x = 3,219,838.80 × 2,115,066.40
  4. Step 4: Simplify right side
    2,146,559.20x = 6,810,172,859,296.32
  5. Step 5: Solve for x
    x = 6,810,172,859,296.32/2,146,559.20
  6. Step 6: Final answer
    x = 3,172,599.60

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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.