Home / 5,518,870.21-7,616,041.00-3,072,059.28

Finding the Fourth Proportional to 5,518,870.21, 7,616,041.00 and 3,072,059.28

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Solution

The fourth proportional to 5,518,870.21, 7,616,041.00 and 3,072,059.28 is: 4,239,441.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518,870.21 : 7,616,041.00 = 3,072,059.28 : x
  2. Step 2: Convert to fraction form
    5,518,870.21/7,616,041.00 = 3,072,059.28/x
  3. Step 3: Cross multiply
    5,518,870.21x = 7,616,041.00 × 3,072,059.28
  4. Step 4: Simplify right side
    5,518,870.21x = 23,396,929,423,230.33
  5. Step 5: Solve for x
    x = 23,396,929,423,230.33/5,518,870.21
  6. Step 6: Final answer
    x = 4,239,441.87

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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.