Home / 1,754,868.16-2,421,767.73-991,036.54

Finding the Fourth Proportional to 1,754,868.16, 2,421,767.73 and 991,036.54

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Solution

The fourth proportional to 1,754,868.16, 2,421,767.73 and 991,036.54 is: 1,367,658.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,868.16 : 2,421,767.73 = 991,036.54 : x
  2. Step 2: Convert to fraction form
    1,754,868.16/2,421,767.73 = 991,036.54/x
  3. Step 3: Cross multiply
    1,754,868.16x = 2,421,767.73 × 991,036.54
  4. Step 4: Simplify right side
    1,754,868.16x = 2,400,060,311,822.85
  5. Step 5: Solve for x
    x = 2,400,060,311,822.85/1,754,868.16
  6. Step 6: Final answer
    x = 1,367,658.48

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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.