Home / 3,108,487.40-4,661,348.70-1,426,106.60

Finding the Fourth Proportional to 3,108,487.40, 4,661,348.70 and 1,426,106.60

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Solution

The fourth proportional to 3,108,487.40, 4,661,348.70 and 1,426,106.60 is: 2,138,525.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,487.40 : 4,661,348.70 = 1,426,106.60 : x
  2. Step 2: Convert to fraction form
    3,108,487.40/4,661,348.70 = 1,426,106.60/x
  3. Step 3: Cross multiply
    3,108,487.40x = 4,661,348.70 × 1,426,106.60
  4. Step 4: Simplify right side
    3,108,487.40x = 6,647,580,145,971.42
  5. Step 5: Solve for x
    x = 6,647,580,145,971.42/3,108,487.40
  6. Step 6: Final answer
    x = 2,138,525.68

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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.