Home / 2,128,208.20-3,192,603.90-708,116.20

Finding the Fourth Proportional to 2,128,208.20, 3,192,603.90 and 708,116.20

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Solution

The fourth proportional to 2,128,208.20, 3,192,603.90 and 708,116.20 is: 1,062,271.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,208.20 : 3,192,603.90 = 708,116.20 : x
  2. Step 2: Convert to fraction form
    2,128,208.20/3,192,603.90 = 708,116.20/x
  3. Step 3: Cross multiply
    2,128,208.20x = 3,192,603.90 × 708,116.20
  4. Step 4: Simplify right side
    2,128,208.20x = 2,260,734,541,773.18
  5. Step 5: Solve for x
    x = 2,260,734,541,773.18/2,128,208.20
  6. Step 6: Final answer
    x = 1,062,271.32

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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.