Home / 1,983,106.60-2,974,924.71-784,748.67

Finding the Fourth Proportional to 1,983,106.60, 2,974,924.71 and 784,748.67

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Solution

The fourth proportional to 1,983,106.60, 2,974,924.71 and 784,748.67 is: 1,177,227.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,106.60 : 2,974,924.71 = 784,748.67 : x
  2. Step 2: Convert to fraction form
    1,983,106.60/2,974,924.71 = 784,748.67/x
  3. Step 3: Cross multiply
    1,983,106.60x = 2,974,924.71 × 784,748.67
  4. Step 4: Simplify right side
    1,983,106.60x = 2,334,568,199,142.52
  5. Step 5: Solve for x
    x = 2,334,568,199,142.52/1,983,106.60
  6. Step 6: Final answer
    x = 1,177,227.79

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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.