Home / 3,828,116-5,281,666.80-2,278,135.12

Finding the Fourth Proportional to 3,828,116, 5,281,666.80 and 2,278,135.12

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Solution

The fourth proportional to 3,828,116, 5,281,666.80 and 2,278,135.12 is: 3,143,152.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,116 : 5,281,666.80 = 2,278,135.12 : x
  2. Step 2: Convert to fraction form
    3,828,116/5,281,666.80 = 2,278,135.12/x
  3. Step 3: Cross multiply
    3,828,116x = 5,281,666.80 × 2,278,135.12
  4. Step 4: Simplify right side
    3,828,116x = 12,032,350,629,218.02
  5. Step 5: Solve for x
    x = 12,032,350,629,218.02/3,828,116
  6. Step 6: Final answer
    x = 3,143,152.04

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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.