Home / 1,948,460.84-2,921,943.83-668,829.86

Finding the Fourth Proportional to 1,948,460.84, 2,921,943.83 and 668,829.86

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Solution

The fourth proportional to 1,948,460.84, 2,921,943.83 and 668,829.86 is: 1,002,988.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,460.84 : 2,921,943.83 = 668,829.86 : x
  2. Step 2: Convert to fraction form
    1,948,460.84/2,921,943.83 = 668,829.86/x
  3. Step 3: Cross multiply
    1,948,460.84x = 2,921,943.83 × 668,829.86
  4. Step 4: Simplify right side
    1,948,460.84x = 1,954,283,264,792.90
  5. Step 5: Solve for x
    x = 1,954,283,264,792.90/1,948,460.84
  6. Step 6: Final answer
    x = 1,002,988.22

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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.