Home / 2,678,140.83-3,696,965.34-1,808,154.06

Finding the Fourth Proportional to 2,678,140.83, 3,696,965.34 and 1,808,154.06

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Solution

The fourth proportional to 2,678,140.83, 3,696,965.34 and 1,808,154.06 is: 2,496,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,140.83 : 3,696,965.34 = 1,808,154.06 : x
  2. Step 2: Convert to fraction form
    2,678,140.83/3,696,965.34 = 1,808,154.06/x
  3. Step 3: Cross multiply
    2,678,140.83x = 3,696,965.34 × 1,808,154.06
  4. Step 4: Simplify right side
    2,678,140.83x = 6,684,682,889,200.28
  5. Step 5: Solve for x
    x = 6,684,682,889,200.28/2,678,140.83
  6. Step 6: Final answer
    x = 2,496,016.20

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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.