Home / 1,872,213.45-2,808,400.30-735,221.66

Finding the Fourth Proportional to 1,872,213.45, 2,808,400.30 and 735,221.66

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Solution

The fourth proportional to 1,872,213.45, 2,808,400.30 and 735,221.66 is: 1,102,863.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,213.45 : 2,808,400.30 = 735,221.66 : x
  2. Step 2: Convert to fraction form
    1,872,213.45/2,808,400.30 = 735,221.66/x
  3. Step 3: Cross multiply
    1,872,213.45x = 2,808,400.30 × 735,221.66
  4. Step 4: Simplify right side
    1,872,213.45x = 2,064,796,730,510.50
  5. Step 5: Solve for x
    x = 2,064,796,730,510.50/1,872,213.45
  6. Step 6: Final answer
    x = 1,102,863.96

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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.