Home / 1,939,764.30-2,676,872.91-1,124,440.17

Finding the Fourth Proportional to 1,939,764.30, 2,676,872.91 and 1,124,440.17

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Solution

The fourth proportional to 1,939,764.30, 2,676,872.91 and 1,124,440.17 is: 1,551,726.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,764.30 : 2,676,872.91 = 1,124,440.17 : x
  2. Step 2: Convert to fraction form
    1,939,764.30/2,676,872.91 = 1,124,440.17/x
  3. Step 3: Cross multiply
    1,939,764.30x = 2,676,872.91 × 1,124,440.17
  4. Step 4: Simplify right side
    1,939,764.30x = 3,009,983,429,988.79
  5. Step 5: Solve for x
    x = 3,009,983,429,988.79/1,939,764.30
  6. Step 6: Final answer
    x = 1,551,726.38

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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.