Home / 3,211,209.10-4,817,461.65-936,729.10

Finding the Fourth Proportional to 3,211,209.10, 4,817,461.65 and 936,729.10

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Solution

The fourth proportional to 3,211,209.10, 4,817,461.65 and 936,729.10 is: 1,405,282.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,209.10 : 4,817,461.65 = 936,729.10 : x
  2. Step 2: Convert to fraction form
    3,211,209.10/4,817,461.65 = 936,729.10/x
  3. Step 3: Cross multiply
    3,211,209.10x = 4,817,461.65 × 936,729.10
  4. Step 4: Simplify right side
    3,211,209.10x = 4,512,656,515,689.02
  5. Step 5: Solve for x
    x = 4,512,656,515,689.02/3,211,209.10
  6. Step 6: Final answer
    x = 1,405,282.68

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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.