Home / 5,211,288.90-7,816,556.55-1,616,964.10

Finding the Fourth Proportional to 5,211,288.90, 7,816,556.55 and 1,616,964.10

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Solution

The fourth proportional to 5,211,288.90, 7,816,556.55 and 1,616,964.10 is: 2,425,329.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211,288.90 : 7,816,556.55 = 1,616,964.10 : x
  2. Step 2: Convert to fraction form
    5,211,288.90/7,816,556.55 = 1,616,964.10/x
  3. Step 3: Cross multiply
    5,211,288.90x = 7,816,556.55 × 1,616,964.10
  4. Step 4: Simplify right side
    5,211,288.90x = 12,639,091,326,969.86
  5. Step 5: Solve for x
    x = 12,639,091,326,969.86/5,211,288.90
  6. Step 6: Final answer
    x = 2,425,329.24

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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.