Home / 2,142,557.28-2,958,114.12-1,327,625.76

Finding the Fourth Proportional to 2,142,557.28, 2,958,114.12 and 1,327,625.76

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Solution

The fourth proportional to 2,142,557.28, 2,958,114.12 and 1,327,625.76 is: 1,832,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,557.28 : 2,958,114.12 = 1,327,625.76 : x
  2. Step 2: Convert to fraction form
    2,142,557.28/2,958,114.12 = 1,327,625.76/x
  3. Step 3: Cross multiply
    2,142,557.28x = 2,958,114.12 × 1,327,625.76
  4. Step 4: Simplify right side
    2,142,557.28x = 3,927,268,506,731.73
  5. Step 5: Solve for x
    x = 3,927,268,506,731.73/2,142,557.28
  6. Step 6: Final answer
    x = 1,832,981.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.