Home / 3,118,615.80-4,677,923.70-2,108,877.90

Finding the Fourth Proportional to 3,118,615.80, 4,677,923.70 and 2,108,877.90

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Solution

The fourth proportional to 3,118,615.80, 4,677,923.70 and 2,108,877.90 is: 3,163,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,615.80 : 4,677,923.70 = 2,108,877.90 : x
  2. Step 2: Convert to fraction form
    3,118,615.80/4,677,923.70 = 2,108,877.90/x
  3. Step 3: Cross multiply
    3,118,615.80x = 4,677,923.70 × 2,108,877.90
  4. Step 4: Simplify right side
    3,118,615.80x = 9,865,169,908,816.23
  5. Step 5: Solve for x
    x = 9,865,169,908,816.23/3,118,615.80
  6. Step 6: Final answer
    x = 3,163,316.85

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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.