Home / 1,818,642.40-2,509,875.94-1,003,005.62

Finding the Fourth Proportional to 1,818,642.40, 2,509,875.94 and 1,003,005.62

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Solution

The fourth proportional to 1,818,642.40, 2,509,875.94 and 1,003,005.62 is: 1,384,230.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,642.40 : 2,509,875.94 = 1,003,005.62 : x
  2. Step 2: Convert to fraction form
    1,818,642.40/2,509,875.94 = 1,003,005.62/x
  3. Step 3: Cross multiply
    1,818,642.40x = 2,509,875.94 × 1,003,005.62
  4. Step 4: Simplify right side
    1,818,642.40x = 2,517,419,673,322.78
  5. Step 5: Solve for x
    x = 2,517,419,673,322.78/1,818,642.40
  6. Step 6: Final answer
    x = 1,384,230.17

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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.