Home / 2,768,849.40-4,144,979.70-1,646,340.60

Finding the Fourth Proportional to 2,768,849.40, 4,144,979.70 and 1,646,340.60

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Solution

The fourth proportional to 2,768,849.40, 4,144,979.70 and 1,646,340.60 is: 2,464,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,849.40 : 4,144,979.70 = 1,646,340.60 : x
  2. Step 2: Convert to fraction form
    2,768,849.40/4,144,979.70 = 1,646,340.60/x
  3. Step 3: Cross multiply
    2,768,849.40x = 4,144,979.70 × 1,646,340.60
  4. Step 4: Simplify right side
    2,768,849.40x = 6,824,048,366,285.82
  5. Step 5: Solve for x
    x = 6,824,048,366,285.82/2,768,849.40
  6. Step 6: Final answer
    x = 2,464,579.10

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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.