Home / 2,800,953.60-4,201,430.40-2,758,963.20

Finding the Fourth Proportional to 2,800,953.60, 4,201,430.40 and 2,758,963.20

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Solution

The fourth proportional to 2,800,953.60, 4,201,430.40 and 2,758,963.20 is: 4,138,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,953.60 : 4,201,430.40 = 2,758,963.20 : x
  2. Step 2: Convert to fraction form
    2,800,953.60/4,201,430.40 = 2,758,963.20/x
  3. Step 3: Cross multiply
    2,800,953.60x = 4,201,430.40 × 2,758,963.20
  4. Step 4: Simplify right side
    2,800,953.60x = 11,591,591,860,961.28
  5. Step 5: Solve for x
    x = 11,591,591,860,961.28/2,800,953.60
  6. Step 6: Final answer
    x = 4,138,444.80

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1.5x scale

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.