Home / 1,618,855.34-2,234,172.40-1,210,249.58

Finding the Fourth Proportional to 1,618,855.34, 2,234,172.40 and 1,210,249.58

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Solution

The fourth proportional to 1,618,855.34, 2,234,172.40 and 1,210,249.58 is: 1,670,258.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,855.34 : 2,234,172.40 = 1,210,249.58 : x
  2. Step 2: Convert to fraction form
    1,618,855.34/2,234,172.40 = 1,210,249.58/x
  3. Step 3: Cross multiply
    1,618,855.34x = 2,234,172.40 × 1,210,249.58
  4. Step 4: Simplify right side
    1,618,855.34x = 2,703,906,208,747.59
  5. Step 5: Solve for x
    x = 2,703,906,208,747.59/1,618,855.34
  6. Step 6: Final answer
    x = 1,670,258.08

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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.