Home / 3,417,136.40-5,122,205.40-1,996,461.20

Finding the Fourth Proportional to 3,417,136.40, 5,122,205.40 and 1,996,461.20

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Solution

The fourth proportional to 3,417,136.40, 5,122,205.40 and 1,996,461.20 is: 2,992,647.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417,136.40 : 5,122,205.40 = 1,996,461.20 : x
  2. Step 2: Convert to fraction form
    3,417,136.40/5,122,205.40 = 1,996,461.20/x
  3. Step 3: Cross multiply
    3,417,136.40x = 5,122,205.40 × 1,996,461.20
  4. Step 4: Simplify right side
    3,417,136.40x = 10,226,284,339,530.48
  5. Step 5: Solve for x
    x = 10,226,284,339,530.48/3,417,136.40
  6. Step 6: Final answer
    x = 2,992,647.39

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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.