Home / 5,221,570.69-7,205,891.61-2,929,900.87

Finding the Fourth Proportional to 5,221,570.69, 7,205,891.61 and 2,929,900.87

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Solution

The fourth proportional to 5,221,570.69, 7,205,891.61 and 2,929,900.87 is: 4,043,332.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,570.69 : 7,205,891.61 = 2,929,900.87 : x
  2. Step 2: Convert to fraction form
    5,221,570.69/7,205,891.61 = 2,929,900.87/x
  3. Step 3: Cross multiply
    5,221,570.69x = 7,205,891.61 × 2,929,900.87
  4. Step 4: Simplify right side
    5,221,570.69x = 21,112,548,097,264.70
  5. Step 5: Solve for x
    x = 21,112,548,097,264.70/5,221,570.69
  6. Step 6: Final answer
    x = 4,043,332.81

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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.