Home / 1,908,686.88-2,862,955.52-646,514.46

Finding the Fourth Proportional to 1,908,686.88, 2,862,955.52 and 646,514.46

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Solution

The fourth proportional to 1,908,686.88, 2,862,955.52 and 646,514.46 is: 969,746.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,686.88 : 2,862,955.52 = 646,514.46 : x
  2. Step 2: Convert to fraction form
    1,908,686.88/2,862,955.52 = 646,514.46/x
  3. Step 3: Cross multiply
    1,908,686.88x = 2,862,955.52 × 646,514.46
  4. Step 4: Simplify right side
    1,908,686.88x = 1,850,942,138,784.25
  5. Step 5: Solve for x
    x = 1,850,942,138,784.25/1,908,686.88
  6. Step 6: Final answer
    x = 969,746.35

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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.