Home / 2,005,169.32-2,767,155.12-1,087,400.20

Finding the Fourth Proportional to 2,005,169.32, 2,767,155.12 and 1,087,400.20

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Solution

The fourth proportional to 2,005,169.32, 2,767,155.12 and 1,087,400.20 is: 1,500,623.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,169.32 : 2,767,155.12 = 1,087,400.20 : x
  2. Step 2: Convert to fraction form
    2,005,169.32/2,767,155.12 = 1,087,400.20/x
  3. Step 3: Cross multiply
    2,005,169.32x = 2,767,155.12 × 1,087,400.20
  4. Step 4: Simplify right side
    2,005,169.32x = 3,009,005,030,919.02
  5. Step 5: Solve for x
    x = 3,009,005,030,919.02/2,005,169.32
  6. Step 6: Final answer
    x = 1,500,623.91

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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.