Home / 1,940,676.78-2,678,152.27-1,069,543.34

Finding the Fourth Proportional to 1,940,676.78, 2,678,152.27 and 1,069,543.34

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Solution

The fourth proportional to 1,940,676.78, 2,678,152.27 and 1,069,543.34 is: 1,475,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,676.78 : 2,678,152.27 = 1,069,543.34 : x
  2. Step 2: Convert to fraction form
    1,940,676.78/2,678,152.27 = 1,069,543.34/x
  3. Step 3: Cross multiply
    1,940,676.78x = 2,678,152.27 × 1,069,543.34
  4. Step 4: Simplify right side
    1,940,676.78x = 2,864,399,920,519.63
  5. Step 5: Solve for x
    x = 2,864,399,920,519.63/1,940,676.78
  6. Step 6: Final answer
    x = 1,475,979.90

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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.