Home / 2,158,540.79-3,237,246.95-641,815.25

Finding the Fourth Proportional to 2,158,540.79, 3,237,246.95 and 641,815.25

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Solution

The fourth proportional to 2,158,540.79, 3,237,246.95 and 641,815.25 is: 962,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,540.79 : 3,237,246.95 = 641,815.25 : x
  2. Step 2: Convert to fraction form
    2,158,540.79/3,237,246.95 = 641,815.25/x
  3. Step 3: Cross multiply
    2,158,540.79x = 3,237,246.95 × 641,815.25
  4. Step 4: Simplify right side
    2,158,540.79x = 2,077,714,441,130.68
  5. Step 5: Solve for x
    x = 2,077,714,441,130.68/2,158,540.79
  6. Step 6: Final answer
    x = 962,555.10

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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.