Home / 3,119,329.20-4,678,993.80-2,753,225.40

Finding the Fourth Proportional to 3,119,329.20, 4,678,993.80 and 2,753,225.40

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Solution

The fourth proportional to 3,119,329.20, 4,678,993.80 and 2,753,225.40 is: 4,129,838.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,329.20 : 4,678,993.80 = 2,753,225.40 : x
  2. Step 2: Convert to fraction form
    3,119,329.20/4,678,993.80 = 2,753,225.40/x
  3. Step 3: Cross multiply
    3,119,329.20x = 4,678,993.80 × 2,753,225.40
  4. Step 4: Simplify right side
    3,119,329.20x = 12,882,324,576,602.52
  5. Step 5: Solve for x
    x = 12,882,324,576,602.52/3,119,329.20
  6. Step 6: Final answer
    x = 4,129,838.10

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1.5x scale

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.