Home / 3,020,145.57-4,167,888.54-1,643,578.11

Finding the Fourth Proportional to 3,020,145.57, 4,167,888.54 and 1,643,578.11

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Solution

The fourth proportional to 3,020,145.57, 4,167,888.54 and 1,643,578.11 is: 2,268,185.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,145.57 : 4,167,888.54 = 1,643,578.11 : x
  2. Step 2: Convert to fraction form
    3,020,145.57/4,167,888.54 = 1,643,578.11/x
  3. Step 3: Cross multiply
    3,020,145.57x = 4,167,888.54 × 1,643,578.11
  4. Step 4: Simplify right side
    3,020,145.57x = 6,850,250,369,263.86
  5. Step 5: Solve for x
    x = 6,850,250,369,263.86/3,020,145.57
  6. Step 6: Final answer
    x = 2,268,185.49

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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.