Home / 3,133,797.20-4,700,849.40-1,640,805.20

Finding the Fourth Proportional to 3,133,797.20, 4,700,849.40 and 1,640,805.20

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Solution

The fourth proportional to 3,133,797.20, 4,700,849.40 and 1,640,805.20 is: 2,461,288.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133,797.20 : 4,700,849.40 = 1,640,805.20 : x
  2. Step 2: Convert to fraction form
    3,133,797.20/4,700,849.40 = 1,640,805.20/x
  3. Step 3: Cross multiply
    3,133,797.20x = 4,700,849.40 × 1,640,805.20
  4. Step 4: Simplify right side
    3,133,797.20x = 7,713,178,139,936.88
  5. Step 5: Solve for x
    x = 7,713,178,139,936.88/3,133,797.20
  6. Step 6: Final answer
    x = 2,461,288.22

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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.