Home / 3,912,455.60-5,868,683.40-1,637,586.80

Finding the Fourth Proportional to 3,912,455.60, 5,868,683.40 and 1,637,586.80

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Solution

The fourth proportional to 3,912,455.60, 5,868,683.40 and 1,637,586.80 is: 2,456,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,455.60 : 5,868,683.40 = 1,637,586.80 : x
  2. Step 2: Convert to fraction form
    3,912,455.60/5,868,683.40 = 1,637,586.80/x
  3. Step 3: Cross multiply
    3,912,455.60x = 5,868,683.40 × 1,637,586.80
  4. Step 4: Simplify right side
    3,912,455.60x = 9,610,478,469,219.12
  5. Step 5: Solve for x
    x = 9,610,478,469,219.12/3,912,455.60
  6. Step 6: Final answer
    x = 2,456,380.20

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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.