Home / 1,988,654.49-2,980,668.06-1,136,323.64

Finding the Fourth Proportional to 1,988,654.49, 2,980,668.06 and 1,136,323.64

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Solution

The fourth proportional to 1,988,654.49, 2,980,668.06 and 1,136,323.64 is: 1,703,163.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,654.49 : 2,980,668.06 = 1,136,323.64 : x
  2. Step 2: Convert to fraction form
    1,988,654.49/2,980,668.06 = 1,136,323.64/x
  3. Step 3: Cross multiply
    1,988,654.49x = 2,980,668.06 × 1,136,323.64
  4. Step 4: Simplify right side
    1,988,654.49x = 3,387,003,564,667.60
  5. Step 5: Solve for x
    x = 3,387,003,564,667.60/1,988,654.49
  6. Step 6: Final answer
    x = 1,703,163.41

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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.