Home / 3,553,447.88-4,903,758-1,921,855.20

Finding the Fourth Proportional to 3,553,447.88, 4,903,758 and 1,921,855.20

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Solution

The fourth proportional to 3,553,447.88, 4,903,758 and 1,921,855.20 is: 2,652,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553,447.88 : 4,903,758 = 1,921,855.20 : x
  2. Step 2: Convert to fraction form
    3,553,447.88/4,903,758 = 1,921,855.20/x
  3. Step 3: Cross multiply
    3,553,447.88x = 4,903,758 × 1,921,855.20
  4. Step 4: Simplify right side
    3,553,447.88x = 9,424,312,811,841.60
  5. Step 5: Solve for x
    x = 9,424,312,811,841.60/3,553,447.88
  6. Step 6: Final answer
    x = 2,652,160.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.