Home / 1,908,021.63-2,862,003.29-488,065.71

Finding the Fourth Proportional to 1,908,021.63, 2,862,003.29 and 488,065.71

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Solution

The fourth proportional to 1,908,021.63, 2,862,003.29 and 488,065.71 is: 732,091.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,021.63 : 2,862,003.29 = 488,065.71 : x
  2. Step 2: Convert to fraction form
    1,908,021.63/2,862,003.29 = 488,065.71/x
  3. Step 3: Cross multiply
    1,908,021.63x = 2,862,003.29 × 488,065.71
  4. Step 4: Simplify right side
    1,908,021.63x = 1,396,845,665,315.86
  5. Step 5: Solve for x
    x = 1,396,845,665,315.86/1,908,021.63
  6. Step 6: Final answer
    x = 732,091.11

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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.