Home / 3,114,509.90-4,670,890.05-985,246.70

Finding the Fourth Proportional to 3,114,509.90, 4,670,890.05 and 985,246.70

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Solution

The fourth proportional to 3,114,509.90, 4,670,890.05 and 985,246.70 is: 1,477,593.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,509.90 : 4,670,890.05 = 985,246.70 : x
  2. Step 2: Convert to fraction form
    3,114,509.90/4,670,890.05 = 985,246.70/x
  3. Step 3: Cross multiply
    3,114,509.90x = 4,670,890.05 × 985,246.70
  4. Step 4: Simplify right side
    3,114,509.90x = 4,601,979,007,825.34
  5. Step 5: Solve for x
    x = 4,601,979,007,825.34/3,114,509.90
  6. Step 6: Final answer
    x = 1,477,593.32

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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.