Home / 2,872,918.79-3,964,639.94-1,583,730.89

Finding the Fourth Proportional to 2,872,918.79, 3,964,639.94 and 1,583,730.89

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Solution

The fourth proportional to 2,872,918.79, 3,964,639.94 and 1,583,730.89 is: 2,185,555.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,918.79 : 3,964,639.94 = 1,583,730.89 : x
  2. Step 2: Convert to fraction form
    2,872,918.79/3,964,639.94 = 1,583,730.89/x
  3. Step 3: Cross multiply
    2,872,918.79x = 3,964,639.94 × 1,583,730.89
  4. Step 4: Simplify right side
    2,872,918.79x = 6,278,922,712,963.89
  5. Step 5: Solve for x
    x = 6,278,922,712,963.89/2,872,918.79
  6. Step 6: Final answer
    x = 2,185,555.24

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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.