Home / 3,119,301.80-4,678,952.70-2,091,849.20

Finding the Fourth Proportional to 3,119,301.80, 4,678,952.70 and 2,091,849.20

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Solution

The fourth proportional to 3,119,301.80, 4,678,952.70 and 2,091,849.20 is: 3,137,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,301.80 : 4,678,952.70 = 2,091,849.20 : x
  2. Step 2: Convert to fraction form
    3,119,301.80/4,678,952.70 = 2,091,849.20/x
  3. Step 3: Cross multiply
    3,119,301.80x = 4,678,952.70 × 2,091,849.20
  4. Step 4: Simplify right side
    3,119,301.80x = 9,787,663,462,332.84
  5. Step 5: Solve for x
    x = 9,787,663,462,332.84/3,119,301.80
  6. Step 6: Final answer
    x = 3,137,773.80

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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.