Home / 2,156,830.90-3,235,246.35-2,128,837.30

Finding the Fourth Proportional to 2,156,830.90, 3,235,246.35 and 2,128,837.30

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Solution

The fourth proportional to 2,156,830.90, 3,235,246.35 and 2,128,837.30 is: 3,193,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,830.90 : 3,235,246.35 = 2,128,837.30 : x
  2. Step 2: Convert to fraction form
    2,156,830.90/3,235,246.35 = 2,128,837.30/x
  3. Step 3: Cross multiply
    2,156,830.90x = 3,235,246.35 × 2,128,837.30
  4. Step 4: Simplify right side
    2,156,830.90x = 6,887,313,104,568.86
  5. Step 5: Solve for x
    x = 6,887,313,104,568.86/2,156,830.90
  6. Step 6: Final answer
    x = 3,193,255.95

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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.