Home / 3,786,838.11-5,680,063.58-1,390,498.47

Finding the Fourth Proportional to 3,786,838.11, 5,680,063.58 and 1,390,498.47

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Solution

The fourth proportional to 3,786,838.11, 5,680,063.58 and 1,390,498.47 is: 2,085,676.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786,838.11 : 5,680,063.58 = 1,390,498.47 : x
  2. Step 2: Convert to fraction form
    3,786,838.11/5,680,063.58 = 1,390,498.47/x
  3. Step 3: Cross multiply
    3,786,838.11x = 5,680,063.58 × 1,390,498.47
  4. Step 4: Simplify right side
    3,786,838.11x = 7,898,119,710,540.23
  5. Step 5: Solve for x
    x = 7,898,119,710,540.23/3,786,838.11
  6. Step 6: Final answer
    x = 2,085,676.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.