Home / 2,840,650.80-3,920,119.56-1,551,467.76

Finding the Fourth Proportional to 2,840,650.80, 3,920,119.56 and 1,551,467.76

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Solution

The fourth proportional to 2,840,650.80, 3,920,119.56 and 1,551,467.76 is: 2,141,037.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,650.80 : 3,920,119.56 = 1,551,467.76 : x
  2. Step 2: Convert to fraction form
    2,840,650.80/3,920,119.56 = 1,551,467.76/x
  3. Step 3: Cross multiply
    2,840,650.80x = 3,920,119.56 × 1,551,467.76
  4. Step 4: Simplify right side
    2,840,650.80x = 6,081,939,112,685.39
  5. Step 5: Solve for x
    x = 6,081,939,112,685.39/2,840,650.80
  6. Step 6: Final answer
    x = 2,141,037.23

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1.5x scale

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.