Home / 1,939,874.35-2,676,780.79-1,124,070.43

Finding the Fourth Proportional to 1,939,874.35, 2,676,780.79 and 1,124,070.43

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Solution

The fourth proportional to 1,939,874.35, 2,676,780.79 and 1,124,070.43 is: 1,551,074.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,874.35 : 2,676,780.79 = 1,124,070.43 : x
  2. Step 2: Convert to fraction form
    1,939,874.35/2,676,780.79 = 1,124,070.43/x
  3. Step 3: Cross multiply
    1,939,874.35x = 2,676,780.79 × 1,124,070.43
  4. Step 4: Simplify right side
    1,939,874.35x = 3,008,890,133,631.04
  5. Step 5: Solve for x
    x = 3,008,890,133,631.04/1,939,874.35
  6. Step 6: Final answer
    x = 1,551,074.76

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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.