Home / 2,890,380.52-3,988,725.30-1,583,638.12

Finding the Fourth Proportional to 2,890,380.52, 3,988,725.30 and 1,583,638.12

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Solution

The fourth proportional to 2,890,380.52, 3,988,725.30 and 1,583,638.12 is: 2,185,420.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,380.52 : 3,988,725.30 = 1,583,638.12 : x
  2. Step 2: Convert to fraction form
    2,890,380.52/3,988,725.30 = 1,583,638.12/x
  3. Step 3: Cross multiply
    2,890,380.52x = 3,988,725.30 × 1,583,638.12
  4. Step 4: Simplify right side
    2,890,380.52x = 6,316,697,435,288.44
  5. Step 5: Solve for x
    x = 6,316,697,435,288.44/2,890,380.52
  6. Step 6: Final answer
    x = 2,185,420.71

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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.