Home / 4,138,520.90-6,205,971.63-2,087,919.83

Finding the Fourth Proportional to 4,138,520.90, 6,205,971.63 and 2,087,919.83

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Solution

The fourth proportional to 4,138,520.90, 6,205,971.63 and 2,087,919.83 is: 3,130,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,520.90 : 6,205,971.63 = 2,087,919.83 : x
  2. Step 2: Convert to fraction form
    4,138,520.90/6,205,971.63 = 2,087,919.83/x
  3. Step 3: Cross multiply
    4,138,520.90x = 6,205,971.63 × 2,087,919.83
  4. Step 4: Simplify right side
    4,138,520.90x = 12,957,571,254,039.05
  5. Step 5: Solve for x
    x = 12,957,571,254,039.05/4,138,520.90
  6. Step 6: Final answer
    x = 3,130,966.73

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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.