Home / 2,678,139.35-3,696,963.26-1,808,152.56

Finding the Fourth Proportional to 2,678,139.35, 3,696,963.26 and 1,808,152.56

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Solution

The fourth proportional to 2,678,139.35, 3,696,963.26 and 1,808,152.56 is: 2,496,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,139.35 : 3,696,963.26 = 1,808,152.56 : x
  2. Step 2: Convert to fraction form
    2,678,139.35/3,696,963.26 = 1,808,152.56/x
  3. Step 3: Cross multiply
    2,678,139.35x = 3,696,963.26 × 1,808,152.56
  4. Step 4: Simplify right side
    2,678,139.35x = 6,684,673,573,754.18
  5. Step 5: Solve for x
    x = 6,684,673,573,754.18/2,678,139.35
  6. Step 6: Final answer
    x = 2,496,014.10

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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.