Home / 2,176,695.87-3,003,710.90-1,209,792.80

Finding the Fourth Proportional to 2,176,695.87, 3,003,710.90 and 1,209,792.80

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Solution

The fourth proportional to 2,176,695.87, 3,003,710.90 and 1,209,792.80 is: 1,669,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,695.87 : 3,003,710.90 = 1,209,792.80 : x
  2. Step 2: Convert to fraction form
    2,176,695.87/3,003,710.90 = 1,209,792.80/x
  3. Step 3: Cross multiply
    2,176,695.87x = 3,003,710.90 × 1,209,792.80
  4. Step 4: Simplify right side
    2,176,695.87x = 3,633,867,799,034.00
  5. Step 5: Solve for x
    x = 3,633,867,799,034.00/2,176,695.87
  6. Step 6: Final answer
    x = 1,669,442.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.