Home / 2,140,455.16-3,206,712.93-1,531,988.02

Finding the Fourth Proportional to 2,140,455.16, 3,206,712.93 and 1,531,988.02

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Solution

The fourth proportional to 2,140,455.16, 3,206,712.93 and 1,531,988.02 is: 2,295,140.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,455.16 : 3,206,712.93 = 1,531,988.02 : x
  2. Step 2: Convert to fraction form
    2,140,455.16/3,206,712.93 = 1,531,988.02/x
  3. Step 3: Cross multiply
    2,140,455.16x = 3,206,712.93 × 1,531,988.02
  4. Step 4: Simplify right side
    2,140,455.16x = 4,912,645,792,339.10
  5. Step 5: Solve for x
    x = 4,912,645,792,339.10/2,140,455.16
  6. Step 6: Final answer
    x = 2,295,140.72

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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.