Home / 1,947,812.61-2,687,934.47-1,064,722.51

Finding the Fourth Proportional to 1,947,812.61, 2,687,934.47 and 1,064,722.51

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Solution

The fourth proportional to 1,947,812.61, 2,687,934.47 and 1,064,722.51 is: 1,469,291.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,812.61 : 2,687,934.47 = 1,064,722.51 : x
  2. Step 2: Convert to fraction form
    1,947,812.61/2,687,934.47 = 1,064,722.51/x
  3. Step 3: Cross multiply
    1,947,812.61x = 2,687,934.47 × 1,064,722.51
  4. Step 4: Simplify right side
    1,947,812.61x = 2,861,904,331,555.89
  5. Step 5: Solve for x
    x = 2,861,904,331,555.89/1,947,812.61
  6. Step 6: Final answer
    x = 1,469,291.41

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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.