Home / 1,917,969.38-2,646,803.42-1,046,812.11

Finding the Fourth Proportional to 1,917,969.38, 2,646,803.42 and 1,046,812.11

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Solution

The fourth proportional to 1,917,969.38, 2,646,803.42 and 1,046,812.11 is: 1,444,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,969.38 : 2,646,803.42 = 1,046,812.11 : x
  2. Step 2: Convert to fraction form
    1,917,969.38/2,646,803.42 = 1,046,812.11/x
  3. Step 3: Cross multiply
    1,917,969.38x = 2,646,803.42 × 1,046,812.11
  4. Step 4: Simplify right side
    1,917,969.38x = 2,770,705,861,611.39
  5. Step 5: Solve for x
    x = 2,770,705,861,611.39/1,917,969.38
  6. Step 6: Final answer
    x = 1,444,603.80

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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.