Home / 3,378,085.35-4,662,092.87-1,928,000.40

Finding the Fourth Proportional to 3,378,085.35, 4,662,092.87 and 1,928,000.40

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Solution

The fourth proportional to 3,378,085.35, 4,662,092.87 and 1,928,000.40 is: 2,660,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378,085.35 : 4,662,092.87 = 1,928,000.40 : x
  2. Step 2: Convert to fraction form
    3,378,085.35/4,662,092.87 = 1,928,000.40/x
  3. Step 3: Cross multiply
    3,378,085.35x = 4,662,092.87 × 1,928,000.40
  4. Step 4: Simplify right side
    3,378,085.35x = 8,988,516,918,197.15
  5. Step 5: Solve for x
    x = 8,988,516,918,197.15/3,378,085.35
  6. Step 6: Final answer
    x = 2,660,831.80

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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.