Home / 2,518,894.94-3,778,569.30-813,078.68

Finding the Fourth Proportional to 2,518,894.94, 3,778,569.30 and 813,078.68

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Solution

The fourth proportional to 2,518,894.94, 3,778,569.30 and 813,078.68 is: 1,219,691.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518,894.94 : 3,778,569.30 = 813,078.68 : x
  2. Step 2: Convert to fraction form
    2,518,894.94/3,778,569.30 = 813,078.68/x
  3. Step 3: Cross multiply
    2,518,894.94x = 3,778,569.30 × 813,078.68
  4. Step 4: Simplify right side
    2,518,894.94x = 3,072,274,122,888.72
  5. Step 5: Solve for x
    x = 3,072,274,122,888.72/2,518,894.94
  6. Step 6: Final answer
    x = 1,219,691.25

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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.