Home / 3,685,987.58-5,531,472.66-1,289,853.41

Finding the Fourth Proportional to 3,685,987.58, 5,531,472.66 and 1,289,853.41

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Solution

The fourth proportional to 3,685,987.58, 5,531,472.66 and 1,289,853.41 is: 1,935,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685,987.58 : 5,531,472.66 = 1,289,853.41 : x
  2. Step 2: Convert to fraction form
    3,685,987.58/5,531,472.66 = 1,289,853.41/x
  3. Step 3: Cross multiply
    3,685,987.58x = 5,531,472.66 × 1,289,853.41
  4. Step 4: Simplify right side
    3,685,987.58x = 7,134,788,872,822.77
  5. Step 5: Solve for x
    x = 7,134,788,872,822.77/3,685,987.58
  6. Step 6: Final answer
    x = 1,935,651.90

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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.