Home / 2,685,764.70-4,028,647.05-2,391,831.90

Finding the Fourth Proportional to 2,685,764.70, 4,028,647.05 and 2,391,831.90

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Solution

The fourth proportional to 2,685,764.70, 4,028,647.05 and 2,391,831.90 is: 3,587,747.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,764.70 : 4,028,647.05 = 2,391,831.90 : x
  2. Step 2: Convert to fraction form
    2,685,764.70/4,028,647.05 = 2,391,831.90/x
  3. Step 3: Cross multiply
    2,685,764.70x = 4,028,647.05 × 2,391,831.90
  4. Step 4: Simplify right side
    2,685,764.70x = 9,635,846,528,030.90
  5. Step 5: Solve for x
    x = 9,635,846,528,030.90/2,685,764.70
  6. Step 6: Final answer
    x = 3,587,747.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.