Home / 3,178,957.84-4,386,828.28-1,802,394.16

Finding the Fourth Proportional to 3,178,957.84, 4,386,828.28 and 1,802,394.16

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Solution

The fourth proportional to 3,178,957.84, 4,386,828.28 and 1,802,394.16 is: 2,487,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,957.84 : 4,386,828.28 = 1,802,394.16 : x
  2. Step 2: Convert to fraction form
    3,178,957.84/4,386,828.28 = 1,802,394.16/x
  3. Step 3: Cross multiply
    3,178,957.84x = 4,386,828.28 × 1,802,394.16
  4. Step 4: Simplify right side
    3,178,957.84x = 7,906,793,672,794.85
  5. Step 5: Solve for x
    x = 7,906,793,672,794.85/3,178,957.84
  6. Step 6: Final answer
    x = 2,487,228.23

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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.