Home / 2,151,639.20-3,227,458.80-655,805.60

Finding the Fourth Proportional to 2,151,639.20, 3,227,458.80 and 655,805.60

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Solution

The fourth proportional to 2,151,639.20, 3,227,458.80 and 655,805.60 is: 983,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,639.20 : 3,227,458.80 = 655,805.60 : x
  2. Step 2: Convert to fraction form
    2,151,639.20/3,227,458.80 = 655,805.60/x
  3. Step 3: Cross multiply
    2,151,639.20x = 3,227,458.80 × 655,805.60
  4. Step 4: Simplify right side
    2,151,639.20x = 2,116,585,554,809.28
  5. Step 5: Solve for x
    x = 2,116,585,554,809.28/2,151,639.20
  6. Step 6: Final answer
    x = 983,708.40

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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.