Home / 1,928,451.63-2,661,084.36-1,068,938.76

Finding the Fourth Proportional to 1,928,451.63, 2,661,084.36 and 1,068,938.76

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Solution

The fourth proportional to 1,928,451.63, 2,661,084.36 and 1,068,938.76 is: 1,475,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,451.63 : 2,661,084.36 = 1,068,938.76 : x
  2. Step 2: Convert to fraction form
    1,928,451.63/2,661,084.36 = 1,068,938.76/x
  3. Step 3: Cross multiply
    1,928,451.63x = 2,661,084.36 × 1,068,938.76
  4. Step 4: Simplify right side
    1,928,451.63x = 2,844,536,216,033.79
  5. Step 5: Solve for x
    x = 2,844,536,216,033.79/1,928,451.63
  6. Step 6: Final answer
    x = 1,475,036.33

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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.