Home / 3,553,128.60-5,329,692.90-3,217,205.40

Finding the Fourth Proportional to 3,553,128.60, 5,329,692.90 and 3,217,205.40

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Solution

The fourth proportional to 3,553,128.60, 5,329,692.90 and 3,217,205.40 is: 4,825,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553,128.60 : 5,329,692.90 = 3,217,205.40 : x
  2. Step 2: Convert to fraction form
    3,553,128.60/5,329,692.90 = 3,217,205.40/x
  3. Step 3: Cross multiply
    3,553,128.60x = 5,329,692.90 × 3,217,205.40
  4. Step 4: Simplify right side
    3,553,128.60x = 17,146,716,778,221.66
  5. Step 5: Solve for x
    x = 17,146,716,778,221.66/3,553,128.60
  6. Step 6: Final answer
    x = 4,825,808.10

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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.