Home / 1,931,323.28-2,664,013.54-1,243,886

Finding the Fourth Proportional to 1,931,323.28, 2,664,013.54 and 1,243,886

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Solution

The fourth proportional to 1,931,323.28, 2,664,013.54 and 1,243,886 is: 1,715,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,323.28 : 2,664,013.54 = 1,243,886 : x
  2. Step 2: Convert to fraction form
    1,931,323.28/2,664,013.54 = 1,243,886/x
  3. Step 3: Cross multiply
    1,931,323.28x = 2,664,013.54 × 1,243,886
  4. Step 4: Simplify right side
    1,931,323.28x = 3,313,729,146,216.44
  5. Step 5: Solve for x
    x = 3,313,729,146,216.44/1,931,323.28
  6. Step 6: Final answer
    x = 1,715,781.70

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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.