Home / 3,318,136.80-4,977,203.04-1,897,195.92

Finding the Fourth Proportional to 3,318,136.80, 4,977,203.04 and 1,897,195.92

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Solution

The fourth proportional to 3,318,136.80, 4,977,203.04 and 1,897,195.92 is: 2,845,792.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,136.80 : 4,977,203.04 = 1,897,195.92 : x
  2. Step 2: Convert to fraction form
    3,318,136.80/4,977,203.04 = 1,897,195.92/x
  3. Step 3: Cross multiply
    3,318,136.80x = 4,977,203.04 × 1,897,195.92
  4. Step 4: Simplify right side
    3,318,136.80x = 9,442,729,300,499.60
  5. Step 5: Solve for x
    x = 9,442,729,300,499.60/3,318,136.80
  6. Step 6: Final answer
    x = 2,845,792.64

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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.