Home / 2,578,721.60-3,868,081.68-805,793.60

Finding the Fourth Proportional to 2,578,721.60, 3,868,081.68 and 805,793.60

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Solution

The fourth proportional to 2,578,721.60, 3,868,081.68 and 805,793.60 is: 1,208,690.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,721.60 : 3,868,081.68 = 805,793.60 : x
  2. Step 2: Convert to fraction form
    2,578,721.60/3,868,081.68 = 805,793.60/x
  3. Step 3: Cross multiply
    2,578,721.60x = 3,868,081.68 × 805,793.60
  4. Step 4: Simplify right side
    2,578,721.60x = 3,116,875,462,021.25
  5. Step 5: Solve for x
    x = 3,116,875,462,021.25/2,578,721.60
  6. Step 6: Final answer
    x = 1,208,690.18

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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.