Home / 1,979,646-2,731,918.77-1,074,228

Finding the Fourth Proportional to 1,979,646, 2,731,918.77 and 1,074,228

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Solution

The fourth proportional to 1,979,646, 2,731,918.77 and 1,074,228 is: 1,482,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,646 : 2,731,918.77 = 1,074,228 : x
  2. Step 2: Convert to fraction form
    1,979,646/2,731,918.77 = 1,074,228/x
  3. Step 3: Cross multiply
    1,979,646x = 2,731,918.77 × 1,074,228
  4. Step 4: Simplify right side
    1,979,646x = 2,934,703,636,459.56
  5. Step 5: Solve for x
    x = 2,934,703,636,459.56/1,979,646
  6. Step 6: Final answer
    x = 1,482,438.60

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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.