Home / 1,587,179.41-2,188,815.61-1,224,028.06

Finding the Fourth Proportional to 1,587,179.41, 2,188,815.61 and 1,224,028.06

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Solution

The fourth proportional to 1,587,179.41, 2,188,815.61 and 1,224,028.06 is: 1,688,008.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,179.41 : 2,188,815.61 = 1,224,028.06 : x
  2. Step 2: Convert to fraction form
    1,587,179.41/2,188,815.61 = 1,224,028.06/x
  3. Step 3: Cross multiply
    1,587,179.41x = 2,188,815.61 × 1,224,028.06
  4. Step 4: Simplify right side
    1,587,179.41x = 2,679,171,724,806.02
  5. Step 5: Solve for x
    x = 2,679,171,724,806.02/1,587,179.41
  6. Step 6: Final answer
    x = 1,688,008.12

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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.