Home / 2,891,719.58-3,990,485.79-1,584,943.16

Finding the Fourth Proportional to 2,891,719.58, 3,990,485.79 and 1,584,943.16

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Solution

The fourth proportional to 2,891,719.58, 3,990,485.79 and 1,584,943.16 is: 2,187,173.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,719.58 : 3,990,485.79 = 1,584,943.16 : x
  2. Step 2: Convert to fraction form
    2,891,719.58/3,990,485.79 = 1,584,943.16/x
  3. Step 3: Cross multiply
    2,891,719.58x = 3,990,485.79 × 1,584,943.16
  4. Step 4: Simplify right side
    2,891,719.58x = 6,324,693,137,985.27
  5. Step 5: Solve for x
    x = 6,324,693,137,985.27/2,891,719.58
  6. Step 6: Final answer
    x = 2,187,173.75

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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.