Home / 3,426,533.28-4,728,643.92-1,898,665.92

Finding the Fourth Proportional to 3,426,533.28, 4,728,643.92 and 1,898,665.92

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Solution

The fourth proportional to 3,426,533.28, 4,728,643.92 and 1,898,665.92 is: 2,620,174.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426,533.28 : 4,728,643.92 = 1,898,665.92 : x
  2. Step 2: Convert to fraction form
    3,426,533.28/4,728,643.92 = 1,898,665.92/x
  3. Step 3: Cross multiply
    3,426,533.28x = 4,728,643.92 × 1,898,665.92
  4. Step 4: Simplify right side
    3,426,533.28x = 8,978,115,058,719.21
  5. Step 5: Solve for x
    x = 8,978,115,058,719.21/3,426,533.28
  6. Step 6: Final answer
    x = 2,620,174.48

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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.