Home / 1,831,915.40-2,747,880.11-766,209.87

Finding the Fourth Proportional to 1,831,915.40, 2,747,880.11 and 766,209.87

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Solution

The fourth proportional to 1,831,915.40, 2,747,880.11 and 766,209.87 is: 1,149,317.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831,915.40 : 2,747,880.11 = 766,209.87 : x
  2. Step 2: Convert to fraction form
    1,831,915.40/2,747,880.11 = 766,209.87/x
  3. Step 3: Cross multiply
    1,831,915.40x = 2,747,880.11 × 766,209.87
  4. Step 4: Simplify right side
    1,831,915.40x = 2,105,452,863,774.21
  5. Step 5: Solve for x
    x = 2,105,452,863,774.21/1,831,915.40
  6. Step 6: Final answer
    x = 1,149,317.74

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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.