Home / 1,938,084.23-2,906,904.92-518,251.03

Finding the Fourth Proportional to 1,938,084.23, 2,906,904.92 and 518,251.03

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Solution

The fourth proportional to 1,938,084.23, 2,906,904.92 and 518,251.03 is: 777,317.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,084.23 : 2,906,904.92 = 518,251.03 : x
  2. Step 2: Convert to fraction form
    1,938,084.23/2,906,904.92 = 518,251.03/x
  3. Step 3: Cross multiply
    1,938,084.23x = 2,906,904.92 × 518,251.03
  4. Step 4: Simplify right side
    1,938,084.23x = 1,506,506,459,043.55
  5. Step 5: Solve for x
    x = 1,506,506,459,043.55/1,938,084.23
  6. Step 6: Final answer
    x = 777,317.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.