Home / 3,428,326.62-5,142,584.70-1,911,160.98

Finding the Fourth Proportional to 3,428,326.62, 5,142,584.70 and 1,911,160.98

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Solution

The fourth proportional to 3,428,326.62, 5,142,584.70 and 1,911,160.98 is: 2,866,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,326.62 : 5,142,584.70 = 1,911,160.98 : x
  2. Step 2: Convert to fraction form
    3,428,326.62/5,142,584.70 = 1,911,160.98/x
  3. Step 3: Cross multiply
    3,428,326.62x = 5,142,584.70 × 1,911,160.98
  4. Step 4: Simplify right side
    3,428,326.62x = 9,828,307,214,985.01
  5. Step 5: Solve for x
    x = 9,828,307,214,985.01/3,428,326.62
  6. Step 6: Final answer
    x = 2,866,794.30

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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.