Home / 1,977,292.64-2,728,627.70-1,117,853.15

Finding the Fourth Proportional to 1,977,292.64, 2,728,627.70 and 1,117,853.15

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Solution

The fourth proportional to 1,977,292.64, 2,728,627.70 and 1,117,853.15 is: 1,542,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,292.64 : 2,728,627.70 = 1,117,853.15 : x
  2. Step 2: Convert to fraction form
    1,977,292.64/2,728,627.70 = 1,117,853.15/x
  3. Step 3: Cross multiply
    1,977,292.64x = 2,728,627.70 × 1,117,853.15
  4. Step 4: Simplify right side
    1,977,292.64x = 3,050,205,050,389.85
  5. Step 5: Solve for x
    x = 3,050,205,050,389.85/1,977,292.64
  6. Step 6: Final answer
    x = 1,542,616.90

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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.