Home / 2,907,851.76-4,016,194.92-1,939,298.76

Finding the Fourth Proportional to 2,907,851.76, 4,016,194.92 and 1,939,298.76

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Solution

The fourth proportional to 2,907,851.76, 4,016,194.92 and 1,939,298.76 is: 2,678,472.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,851.76 : 4,016,194.92 = 1,939,298.76 : x
  2. Step 2: Convert to fraction form
    2,907,851.76/4,016,194.92 = 1,939,298.76/x
  3. Step 3: Cross multiply
    2,907,851.76x = 4,016,194.92 × 1,939,298.76
  4. Step 4: Simplify right side
    2,907,851.76x = 7,788,601,828,274.30
  5. Step 5: Solve for x
    x = 7,788,601,828,274.30/2,907,851.76
  6. Step 6: Final answer
    x = 2,678,472.79

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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.