Home / 1,535,841.69-2,119,883.14-891,469.48

Finding the Fourth Proportional to 1,535,841.69, 2,119,883.14 and 891,469.48

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Solution

The fourth proportional to 1,535,841.69, 2,119,883.14 and 891,469.48 is: 1,230,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,841.69 : 2,119,883.14 = 891,469.48 : x
  2. Step 2: Convert to fraction form
    1,535,841.69/2,119,883.14 = 891,469.48/x
  3. Step 3: Cross multiply
    1,535,841.69x = 2,119,883.14 × 891,469.48
  4. Step 4: Simplify right side
    1,535,841.69x = 1,889,811,110,298.33
  5. Step 5: Solve for x
    x = 1,889,811,110,298.33/1,535,841.69
  6. Step 6: Final answer
    x = 1,230,472.60

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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.