Home / 2,015,435.80-3,023,153.70-667,806.40

Finding the Fourth Proportional to 2,015,435.80, 3,023,153.70 and 667,806.40

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Solution

The fourth proportional to 2,015,435.80, 3,023,153.70 and 667,806.40 is: 1,001,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,435.80 : 3,023,153.70 = 667,806.40 : x
  2. Step 2: Convert to fraction form
    2,015,435.80/3,023,153.70 = 667,806.40/x
  3. Step 3: Cross multiply
    2,015,435.80x = 3,023,153.70 × 667,806.40
  4. Step 4: Simplify right side
    2,015,435.80x = 2,018,881,389,043.68
  5. Step 5: Solve for x
    x = 2,018,881,389,043.68/2,015,435.80
  6. Step 6: Final answer
    x = 1,001,709.60

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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.