Home / 1,932,200.11-2,666,312.80-1,072,760.14

Finding the Fourth Proportional to 1,932,200.11, 2,666,312.80 and 1,072,760.14

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Solution

The fourth proportional to 1,932,200.11, 2,666,312.80 and 1,072,760.14 is: 1,480,340.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,200.11 : 2,666,312.80 = 1,072,760.14 : x
  2. Step 2: Convert to fraction form
    1,932,200.11/2,666,312.80 = 1,072,760.14/x
  3. Step 3: Cross multiply
    1,932,200.11x = 2,666,312.80 × 1,072,760.14
  4. Step 4: Simplify right side
    1,932,200.11x = 2,860,314,092,611.79
  5. Step 5: Solve for x
    x = 2,860,314,092,611.79/1,932,200.11
  6. Step 6: Final answer
    x = 1,480,340.51

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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.