Home / 3,114,880.80-4,669,729.20-1,319,143.20

Finding the Fourth Proportional to 3,114,880.80, 4,669,729.20 and 1,319,143.20

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Solution

The fourth proportional to 3,114,880.80, 4,669,729.20 and 1,319,143.20 is: 1,977,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,880.80 : 4,669,729.20 = 1,319,143.20 : x
  2. Step 2: Convert to fraction form
    3,114,880.80/4,669,729.20 = 1,319,143.20/x
  3. Step 3: Cross multiply
    3,114,880.80x = 4,669,729.20 × 1,319,143.20
  4. Step 4: Simplify right side
    3,114,880.80x = 6,160,041,520,021.44
  5. Step 5: Solve for x
    x = 6,160,041,520,021.44/3,114,880.80
  6. Step 6: Final answer
    x = 1,977,617.10

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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.