Home / 2,290,611.15-3,161,081.46-1,258,214.40

Finding the Fourth Proportional to 2,290,611.15, 3,161,081.46 and 1,258,214.40

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Solution

The fourth proportional to 2,290,611.15, 3,161,081.46 and 1,258,214.40 is: 1,736,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,611.15 : 3,161,081.46 = 1,258,214.40 : x
  2. Step 2: Convert to fraction form
    2,290,611.15/3,161,081.46 = 1,258,214.40/x
  3. Step 3: Cross multiply
    2,290,611.15x = 3,161,081.46 × 1,258,214.40
  4. Step 4: Simplify right side
    2,290,611.15x = 3,977,318,212,545.02
  5. Step 5: Solve for x
    x = 3,977,318,212,545.02/2,290,611.15
  6. Step 6: Final answer
    x = 1,736,356.79

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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.