Home / 2,010,428.80-3,015,643.20-514,520.80

Finding the Fourth Proportional to 2,010,428.80, 3,015,643.20 and 514,520.80

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Solution

The fourth proportional to 2,010,428.80, 3,015,643.20 and 514,520.80 is: 771,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010,428.80 : 3,015,643.20 = 514,520.80 : x
  2. Step 2: Convert to fraction form
    2,010,428.80/3,015,643.20 = 514,520.80/x
  3. Step 3: Cross multiply
    2,010,428.80x = 3,015,643.20 × 514,520.80
  4. Step 4: Simplify right side
    2,010,428.80x = 1,551,611,151,778.56
  5. Step 5: Solve for x
    x = 1,551,611,151,778.56/2,010,428.80
  6. Step 6: Final answer
    x = 771,781.20

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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.