Home / 1,929,099.84-2,662,153.20-1,069,638

Finding the Fourth Proportional to 1,929,099.84, 2,662,153.20 and 1,069,638

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Solution

The fourth proportional to 1,929,099.84, 2,662,153.20 and 1,069,638 is: 1,476,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,099.84 : 2,662,153.20 = 1,069,638 : x
  2. Step 2: Convert to fraction form
    1,929,099.84/2,662,153.20 = 1,069,638/x
  3. Step 3: Cross multiply
    1,929,099.84x = 2,662,153.20 × 1,069,638
  4. Step 4: Simplify right side
    1,929,099.84x = 2,847,540,224,541.60
  5. Step 5: Solve for x
    x = 2,847,540,224,541.60/1,929,099.84
  6. Step 6: Final answer
    x = 1,476,097.90

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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.