Home / 1,908,686.52-2,862,955.04-646,514.16

Finding the Fourth Proportional to 1,908,686.52, 2,862,955.04 and 646,514.16

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Solution

The fourth proportional to 1,908,686.52, 2,862,955.04 and 646,514.16 is: 969,745.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,686.52 : 2,862,955.04 = 646,514.16 : x
  2. Step 2: Convert to fraction form
    1,908,686.52/2,862,955.04 = 646,514.16/x
  3. Step 3: Cross multiply
    1,908,686.52x = 2,862,955.04 × 646,514.16
  4. Step 4: Simplify right side
    1,908,686.52x = 1,850,940,972,803.37
  5. Step 5: Solve for x
    x = 1,850,940,972,803.37/1,908,686.52
  6. Step 6: Final answer
    x = 969,745.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.