Home / 3,178,957.85-4,386,828.29-1,802,394.17

Finding the Fourth Proportional to 3,178,957.85, 4,386,828.29 and 1,802,394.17

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Solution

The fourth proportional to 3,178,957.85, 4,386,828.29 and 1,802,394.17 is: 2,487,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,957.85 : 4,386,828.29 = 1,802,394.17 : x
  2. Step 2: Convert to fraction form
    3,178,957.85/4,386,828.29 = 1,802,394.17/x
  3. Step 3: Cross multiply
    3,178,957.85x = 4,386,828.29 × 1,802,394.17
  4. Step 4: Simplify right side
    3,178,957.85x = 7,906,793,703,740.96
  5. Step 5: Solve for x
    x = 7,906,793,703,740.96/3,178,957.85
  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.