Home / 2,148,378.71-2,964,703.41-1,181,508.98

Finding the Fourth Proportional to 2,148,378.71, 2,964,703.41 and 1,181,508.98

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Solution

The fourth proportional to 2,148,378.71, 2,964,703.41 and 1,181,508.98 is: 1,630,449.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,378.71 : 2,964,703.41 = 1,181,508.98 : x
  2. Step 2: Convert to fraction form
    2,148,378.71/2,964,703.41 = 1,181,508.98/x
  3. Step 3: Cross multiply
    2,148,378.71x = 2,964,703.41 × 1,181,508.98
  4. Step 4: Simplify right side
    2,148,378.71x = 3,502,823,687,128.11
  5. Step 5: Solve for x
    x = 3,502,823,687,128.11/2,148,378.71
  6. Step 6: Final answer
    x = 1,630,449.83

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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.