Home / 2,091,127.80-3,136,691.70-1,618,152.60

Finding the Fourth Proportional to 2,091,127.80, 3,136,691.70 and 1,618,152.60

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Solution

The fourth proportional to 2,091,127.80, 3,136,691.70 and 1,618,152.60 is: 2,427,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,127.80 : 3,136,691.70 = 1,618,152.60 : x
  2. Step 2: Convert to fraction form
    2,091,127.80/3,136,691.70 = 1,618,152.60/x
  3. Step 3: Cross multiply
    2,091,127.80x = 3,136,691.70 × 1,618,152.60
  4. Step 4: Simplify right side
    2,091,127.80x = 5,075,645,829,753.42
  5. Step 5: Solve for x
    x = 5,075,645,829,753.42/2,091,127.80
  6. Step 6: Final answer
    x = 2,427,228.90

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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.