Home / 7,078,620.48-10,617,968.64-1,759,836.48

Finding the Fourth Proportional to 7,078,620.48, 10,617,968.64 and 1,759,836.48

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Solution

The fourth proportional to 7,078,620.48, 10,617,968.64 and 1,759,836.48 is: 2,639,764.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078,620.48 : 10,617,968.64 = 1,759,836.48 : x
  2. Step 2: Convert to fraction form
    7,078,620.48/10,617,968.64 = 1,759,836.48/x
  3. Step 3: Cross multiply
    7,078,620.48x = 10,617,968.64 × 1,759,836.48
  4. Step 4: Simplify right side
    7,078,620.48x = 18,685,888,556,167.99
  5. Step 5: Solve for x
    x = 18,685,888,556,167.99/7,078,620.48
  6. Step 6: Final answer
    x = 2,639,764.15

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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.