Home / 2,318,447.40-3,477,671.10-721,111.40

Finding the Fourth Proportional to 2,318,447.40, 3,477,671.10 and 721,111.40

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Solution

The fourth proportional to 2,318,447.40, 3,477,671.10 and 721,111.40 is: 1,081,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,447.40 : 3,477,671.10 = 721,111.40 : x
  2. Step 2: Convert to fraction form
    2,318,447.40/3,477,671.10 = 721,111.40/x
  3. Step 3: Cross multiply
    2,318,447.40x = 3,477,671.10 × 721,111.40
  4. Step 4: Simplify right side
    2,318,447.40x = 2,507,788,275,660.54
  5. Step 5: Solve for x
    x = 2,507,788,275,660.54/2,318,447.40
  6. Step 6: Final answer
    x = 1,081,667.10

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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.