Home / 2,772,065.07-4,158,246.43-878,954.11

Finding the Fourth Proportional to 2,772,065.07, 4,158,246.43 and 878,954.11

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Solution

The fourth proportional to 2,772,065.07, 4,158,246.43 and 878,954.11 is: 1,318,478.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,065.07 : 4,158,246.43 = 878,954.11 : x
  2. Step 2: Convert to fraction form
    2,772,065.07/4,158,246.43 = 878,954.11/x
  3. Step 3: Cross multiply
    2,772,065.07x = 4,158,246.43 × 878,954.11
  4. Step 4: Simplify right side
    2,772,065.07x = 3,654,907,790,041.33
  5. Step 5: Solve for x
    x = 3,654,907,790,041.33/2,772,065.07
  6. Step 6: Final answer
    x = 1,318,478.35

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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.