Home / 3,426,478.22-4,728,545.51-1,877,493.76

Finding the Fourth Proportional to 3,426,478.22, 4,728,545.51 and 1,877,493.76

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Solution

The fourth proportional to 3,426,478.22, 4,728,545.51 and 1,877,493.76 is: 2,590,944.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426,478.22 : 4,728,545.51 = 1,877,493.76 : x
  2. Step 2: Convert to fraction form
    3,426,478.22/4,728,545.51 = 1,877,493.76/x
  3. Step 3: Cross multiply
    3,426,478.22x = 4,728,545.51 × 1,877,493.76
  4. Step 4: Simplify right side
    3,426,478.22x = 8,877,814,667,692.19
  5. Step 5: Solve for x
    x = 8,877,814,667,692.19/3,426,478.22
  6. Step 6: Final answer
    x = 2,590,944.43

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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.