Home / 1,648,165.05-2,272,734.50-1,219,338.09

Finding the Fourth Proportional to 1,648,165.05, 2,272,734.50 and 1,219,338.09

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Solution

The fourth proportional to 1,648,165.05, 2,272,734.50 and 1,219,338.09 is: 1,681,404.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,165.05 : 2,272,734.50 = 1,219,338.09 : x
  2. Step 2: Convert to fraction form
    1,648,165.05/2,272,734.50 = 1,219,338.09/x
  3. Step 3: Cross multiply
    1,648,165.05x = 2,272,734.50 × 1,219,338.09
  4. Step 4: Simplify right side
    1,648,165.05x = 2,771,231,744,307.11
  5. Step 5: Solve for x
    x = 2,771,231,744,307.11/1,648,165.05
  6. Step 6: Final answer
    x = 1,681,404.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.