Home / 3,106,876.94-4,289,167.65-2,179,426.28

Finding the Fourth Proportional to 3,106,876.94, 4,289,167.65 and 2,179,426.28

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Solution

The fourth proportional to 3,106,876.94, 4,289,167.65 and 2,179,426.28 is: 3,008,784.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106,876.94 : 4,289,167.65 = 2,179,426.28 : x
  2. Step 2: Convert to fraction form
    3,106,876.94/4,289,167.65 = 2,179,426.28/x
  3. Step 3: Cross multiply
    3,106,876.94x = 4,289,167.65 × 2,179,426.28
  4. Step 4: Simplify right side
    3,106,876.94x = 9,347,924,674,290.00
  5. Step 5: Solve for x
    x = 9,347,924,674,290.00/3,106,876.94
  6. Step 6: Final answer
    x = 3,008,784.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.