Home / 2,872,919.79-3,964,641.32-1,583,731.89

Finding the Fourth Proportional to 2,872,919.79, 3,964,641.32 and 1,583,731.89

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Solution

The fourth proportional to 2,872,919.79, 3,964,641.32 and 1,583,731.89 is: 2,185,556.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,919.79 : 3,964,641.32 = 1,583,731.89 : x
  2. Step 2: Convert to fraction form
    2,872,919.79/3,964,641.32 = 1,583,731.89/x
  3. Step 3: Cross multiply
    2,872,919.79x = 3,964,641.32 × 1,583,731.89
  4. Step 4: Simplify right side
    2,872,919.79x = 6,278,928,863,153.83
  5. Step 5: Solve for x
    x = 6,278,928,863,153.83/2,872,919.79
  6. Step 6: Final answer
    x = 2,185,556.62

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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.