Home / 2,825,214.80-4,238,081.40-931,960.40

Finding the Fourth Proportional to 2,825,214.80, 4,238,081.40 and 931,960.40

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Solution

The fourth proportional to 2,825,214.80, 4,238,081.40 and 931,960.40 is: 1,398,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,214.80 : 4,238,081.40 = 931,960.40 : x
  2. Step 2: Convert to fraction form
    2,825,214.80/4,238,081.40 = 931,960.40/x
  3. Step 3: Cross multiply
    2,825,214.80x = 4,238,081.40 × 931,960.40
  4. Step 4: Simplify right side
    2,825,214.80x = 3,949,724,036,776.56
  5. Step 5: Solve for x
    x = 3,949,724,036,776.56/2,825,214.80
  6. Step 6: Final answer
    x = 1,398,026.10

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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.