Home / 3,893,324.61-5,828,485.73-2,875,689.21

Finding the Fourth Proportional to 3,893,324.61, 5,828,485.73 and 2,875,689.21

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Solution

The fourth proportional to 3,893,324.61, 5,828,485.73 and 2,875,689.21 is: 4,305,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893,324.61 : 5,828,485.73 = 2,875,689.21 : x
  2. Step 2: Convert to fraction form
    3,893,324.61/5,828,485.73 = 2,875,689.21/x
  3. Step 3: Cross multiply
    3,893,324.61x = 5,828,485.73 × 2,875,689.21
  4. Step 4: Simplify right side
    3,893,324.61x = 16,760,913,510,021.53
  5. Step 5: Solve for x
    x = 16,760,913,510,021.53/3,893,324.61
  6. Step 6: Final answer
    x = 4,305,038.80

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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.