Home / 5,448,329.78-7,518,694.74-3,157,819.07

Finding the Fourth Proportional to 5,448,329.78, 7,518,694.74 and 3,157,819.07

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Solution

The fourth proportional to 5,448,329.78, 7,518,694.74 and 3,157,819.07 is: 4,357,790.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448,329.78 : 7,518,694.74 = 3,157,819.07 : x
  2. Step 2: Convert to fraction form
    5,448,329.78/7,518,694.74 = 3,157,819.07/x
  3. Step 3: Cross multiply
    5,448,329.78x = 7,518,694.74 × 3,157,819.07
  4. Step 4: Simplify right side
    5,448,329.78x = 23,742,677,631,480.69
  5. Step 5: Solve for x
    x = 23,742,677,631,480.69/5,448,329.78
  6. Step 6: Final answer
    x = 4,357,790.11

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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.