Home / 3,685,988.83-5,531,474.54-1,289,854.66

Finding the Fourth Proportional to 3,685,988.83, 5,531,474.54 and 1,289,854.66

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Solution

The fourth proportional to 3,685,988.83, 5,531,474.54 and 1,289,854.66 is: 1,935,653.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685,988.83 : 5,531,474.54 = 1,289,854.66 : x
  2. Step 2: Convert to fraction form
    3,685,988.83/5,531,474.54 = 1,289,854.66/x
  3. Step 3: Cross multiply
    3,685,988.83x = 5,531,474.54 × 1,289,854.66
  4. Step 4: Simplify right side
    3,685,988.83x = 7,134,798,212,090.36
  5. Step 5: Solve for x
    x = 7,134,798,212,090.36/3,685,988.83
  6. Step 6: Final answer
    x = 1,935,653.78

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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.