Home / 5,172,466.62-7,138,225.35-2,880,627.30

Finding the Fourth Proportional to 5,172,466.62, 7,138,225.35 and 2,880,627.30

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Solution

The fourth proportional to 5,172,466.62, 7,138,225.35 and 2,880,627.30 is: 3,975,388.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,466.62 : 7,138,225.35 = 2,880,627.30 : x
  2. Step 2: Convert to fraction form
    5,172,466.62/7,138,225.35 = 2,880,627.30/x
  3. Step 3: Cross multiply
    5,172,466.62x = 7,138,225.35 × 2,880,627.30
  4. Step 4: Simplify right side
    5,172,466.62x = 20,562,566,816,762.05
  5. Step 5: Solve for x
    x = 20,562,566,816,762.05/5,172,466.62
  6. Step 6: Final answer
    x = 3,975,388.98

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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.