Home / 2,586,612.87-3,873,294.63-2,159,085.78

Finding the Fourth Proportional to 2,586,612.87, 3,873,294.63 and 2,159,085.78

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Solution

The fourth proportional to 2,586,612.87, 3,873,294.63 and 2,159,085.78 is: 3,233,098.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586,612.87 : 3,873,294.63 = 2,159,085.78 : x
  2. Step 2: Convert to fraction form
    2,586,612.87/3,873,294.63 = 2,159,085.78/x
  3. Step 3: Cross multiply
    2,586,612.87x = 3,873,294.63 × 2,159,085.78
  4. Step 4: Simplify right side
    2,586,612.87x = 8,362,775,357,383.36
  5. Step 5: Solve for x
    x = 8,362,775,357,383.36/2,586,612.87
  6. Step 6: Final answer
    x = 3,233,098.95

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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.