Home / 1,944,215.40-2,911,220.10-1,372,509.30

Finding the Fourth Proportional to 1,944,215.40, 2,911,220.10 and 1,372,509.30

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Solution

The fourth proportional to 1,944,215.40, 2,911,220.10 and 1,372,509.30 is: 2,055,161.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944,215.40 : 2,911,220.10 = 1,372,509.30 : x
  2. Step 2: Convert to fraction form
    1,944,215.40/2,911,220.10 = 1,372,509.30/x
  3. Step 3: Cross multiply
    1,944,215.40x = 2,911,220.10 × 1,372,509.30
  4. Step 4: Simplify right side
    1,944,215.40x = 3,995,676,661,596.93
  5. Step 5: Solve for x
    x = 3,995,676,661,596.93/1,944,215.40
  6. Step 6: Final answer
    x = 2,055,161.51

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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.