Home / 3,200,904.81-4,416,981.60-1,805,389.52

Finding the Fourth Proportional to 3,200,904.81, 4,416,981.60 and 1,805,389.52

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Solution

The fourth proportional to 3,200,904.81, 4,416,981.60 and 1,805,389.52 is: 2,491,286.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200,904.81 : 4,416,981.60 = 1,805,389.52 : x
  2. Step 2: Convert to fraction form
    3,200,904.81/4,416,981.60 = 1,805,389.52/x
  3. Step 3: Cross multiply
    3,200,904.81x = 4,416,981.60 × 1,805,389.52
  4. Step 4: Simplify right side
    3,200,904.81x = 7,974,372,290,672.83
  5. Step 5: Solve for x
    x = 7,974,372,290,672.83/3,200,904.81
  6. Step 6: Final answer
    x = 2,491,286.92

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1.5x scale

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.