Home / 1,988,025.74-2,743,313.68-1,116,813.02

Finding the Fourth Proportional to 1,988,025.74, 2,743,313.68 and 1,116,813.02

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Solution

The fourth proportional to 1,988,025.74, 2,743,313.68 and 1,116,813.02 is: 1,541,111.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,025.74 : 2,743,313.68 = 1,116,813.02 : x
  2. Step 2: Convert to fraction form
    1,988,025.74/2,743,313.68 = 1,116,813.02/x
  3. Step 3: Cross multiply
    1,988,025.74x = 2,743,313.68 × 1,116,813.02
  4. Step 4: Simplify right side
    1,988,025.74x = 3,063,768,439,834.37
  5. Step 5: Solve for x
    x = 3,063,768,439,834.37/1,988,025.74
  6. Step 6: Final answer
    x = 1,541,111.06

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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.