Home / 1,936,176.20-2,904,264.30-1,401,187.40

Finding the Fourth Proportional to 1,936,176.20, 2,904,264.30 and 1,401,187.40

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Solution

The fourth proportional to 1,936,176.20, 2,904,264.30 and 1,401,187.40 is: 2,101,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,176.20 : 2,904,264.30 = 1,401,187.40 : x
  2. Step 2: Convert to fraction form
    1,936,176.20/2,904,264.30 = 1,401,187.40/x
  3. Step 3: Cross multiply
    1,936,176.20x = 2,904,264.30 × 1,401,187.40
  4. Step 4: Simplify right side
    1,936,176.20x = 4,069,418,543,429.82
  5. Step 5: Solve for x
    x = 4,069,418,543,429.82/1,936,176.20
  6. Step 6: Final answer
    x = 2,101,781.10

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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.