Home / 1,867,509.21-2,577,168.05-1,082,727.64

Finding the Fourth Proportional to 1,867,509.21, 2,577,168.05 and 1,082,727.64

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Solution

The fourth proportional to 1,867,509.21, 2,577,168.05 and 1,082,727.64 is: 1,494,167.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,509.21 : 2,577,168.05 = 1,082,727.64 : x
  2. Step 2: Convert to fraction form
    1,867,509.21/2,577,168.05 = 1,082,727.64/x
  3. Step 3: Cross multiply
    1,867,509.21x = 2,577,168.05 × 1,082,727.64
  4. Step 4: Simplify right side
    1,867,509.21x = 2,790,371,068,803.34
  5. Step 5: Solve for x
    x = 2,790,371,068,803.34/1,867,509.21
  6. Step 6: Final answer
    x = 1,494,167.23

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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.