Home / 1,994,139.70-2,987,710.35-1,637,221.30

Finding the Fourth Proportional to 1,994,139.70, 2,987,710.35 and 1,637,221.30

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Solution

The fourth proportional to 1,994,139.70, 2,987,710.35 and 1,637,221.30 is: 2,452,959.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,139.70 : 2,987,710.35 = 1,637,221.30 : x
  2. Step 2: Convert to fraction form
    1,994,139.70/2,987,710.35 = 1,637,221.30/x
  3. Step 3: Cross multiply
    1,994,139.70x = 2,987,710.35 × 1,637,221.30
  4. Step 4: Simplify right side
    1,994,139.70x = 4,891,543,023,250.46
  5. Step 5: Solve for x
    x = 4,891,543,023,250.46/1,994,139.70
  6. Step 6: Final answer
    x = 2,452,959.05

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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.