Home / 2,964,390.12-4,090,392-1,724,274.72

Finding the Fourth Proportional to 2,964,390.12, 4,090,392 and 1,724,274.72

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Solution

The fourth proportional to 2,964,390.12, 4,090,392 and 1,724,274.72 is: 2,379,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964,390.12 : 4,090,392 = 1,724,274.72 : x
  2. Step 2: Convert to fraction form
    2,964,390.12/4,090,392 = 1,724,274.72/x
  3. Step 3: Cross multiply
    2,964,390.12x = 4,090,392 × 1,724,274.72
  4. Step 4: Simplify right side
    2,964,390.12x = 7,052,959,520,490.24
  5. Step 5: Solve for x
    x = 7,052,959,520,490.24/2,964,390.12
  6. Step 6: Final answer
    x = 2,379,227.85

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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.