Home / 2,518,894.00-3,778,567.90-813,077.74

Finding the Fourth Proportional to 2,518,894.00, 3,778,567.90 and 813,077.74

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Solution

The fourth proportional to 2,518,894.00, 3,778,567.90 and 813,077.74 is: 1,219,689.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518,894.00 : 3,778,567.90 = 813,077.74 : x
  2. Step 2: Convert to fraction form
    2,518,894.00/3,778,567.90 = 813,077.74/x
  3. Step 3: Cross multiply
    2,518,894.00x = 3,778,567.90 × 813,077.74
  4. Step 4: Simplify right side
    2,518,894.00x = 3,072,269,430,004.62
  5. Step 5: Solve for x
    x = 3,072,269,430,004.62/2,518,894.00
  6. Step 6: Final answer
    x = 1,219,689.85

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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.