Home / 2,158,970.31-3,234,334.19-1,209,468.87

Finding the Fourth Proportional to 2,158,970.31, 3,234,334.19 and 1,209,468.87

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Solution

The fourth proportional to 2,158,970.31, 3,234,334.19 and 1,209,468.87 is: 1,811,894.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,970.31 : 3,234,334.19 = 1,209,468.87 : x
  2. Step 2: Convert to fraction form
    2,158,970.31/3,234,334.19 = 1,209,468.87/x
  3. Step 3: Cross multiply
    2,158,970.31x = 3,234,334.19 × 1,209,468.87
  4. Step 4: Simplify right side
    2,158,970.31x = 3,911,826,511,934.32
  5. Step 5: Solve for x
    x = 3,911,826,511,934.32/2,158,970.31
  6. Step 6: Final answer
    x = 1,811,894.54

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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.