Home / 1,997,101.80-2,995,652.70-999,700.20

Finding the Fourth Proportional to 1,997,101.80, 2,995,652.70 and 999,700.20

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Solution

The fourth proportional to 1,997,101.80, 2,995,652.70 and 999,700.20 is: 1,499,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,101.80 : 2,995,652.70 = 999,700.20 : x
  2. Step 2: Convert to fraction form
    1,997,101.80/2,995,652.70 = 999,700.20/x
  3. Step 3: Cross multiply
    1,997,101.80x = 2,995,652.70 × 999,700.20
  4. Step 4: Simplify right side
    1,997,101.80x = 2,994,754,603,320.54
  5. Step 5: Solve for x
    x = 2,994,754,603,320.54/1,997,101.80
  6. Step 6: Final answer
    x = 1,499,550.30

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Double scale
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Similar ratio
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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.