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Finding the Fourth Proportional to 1,844,225.16, 2,545,041.83 and 1,028,480.42

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Solution

The fourth proportional to 1,844,225.16, 2,545,041.83 and 1,028,480.42 is: 1,419,309.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844,225.16 : 2,545,041.83 = 1,028,480.42 : x
  2. Step 2: Convert to fraction form
    1,844,225.16/2,545,041.83 = 1,028,480.42/x
  3. Step 3: Cross multiply
    1,844,225.16x = 2,545,041.83 × 1,028,480.42
  4. Step 4: Simplify right side
    1,844,225.16x = 2,617,525,672,368.36
  5. Step 5: Solve for x
    x = 2,617,525,672,368.36/1,844,225.16
  6. Step 6: Final answer
    x = 1,419,309.17

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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.