Home / 3,118,583.80-4,677,875.70-2,108,845.90

Finding the Fourth Proportional to 3,118,583.80, 4,677,875.70 and 2,108,845.90

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Solution

The fourth proportional to 3,118,583.80, 4,677,875.70 and 2,108,845.90 is: 3,163,268.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,583.80 : 4,677,875.70 = 2,108,845.90 : x
  2. Step 2: Convert to fraction form
    3,118,583.80/4,677,875.70 = 2,108,845.90/x
  3. Step 3: Cross multiply
    3,118,583.80x = 4,677,875.70 × 2,108,845.90
  4. Step 4: Simplify right side
    3,118,583.80x = 9,864,918,990,654.63
  5. Step 5: Solve for x
    x = 9,864,918,990,654.63/3,118,583.80
  6. Step 6: Final answer
    x = 3,163,268.85

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Similar ratio
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1.5x scale

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.