Home / 3,555,378.60-5,328,402.30-1,423,717.80

Finding the Fourth Proportional to 3,555,378.60, 5,328,402.30 and 1,423,717.80

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Solution

The fourth proportional to 3,555,378.60, 5,328,402.30 and 1,423,717.80 is: 2,133,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555,378.60 : 5,328,402.30 = 1,423,717.80 : x
  2. Step 2: Convert to fraction form
    3,555,378.60/5,328,402.30 = 1,423,717.80/x
  3. Step 3: Cross multiply
    3,555,378.60x = 5,328,402.30 × 1,423,717.80
  4. Step 4: Simplify right side
    3,555,378.60x = 7,586,141,200,070.94
  5. Step 5: Solve for x
    x = 7,586,141,200,070.94/3,555,378.60
  6. Step 6: Final answer
    x = 2,133,708.40

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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.