Home / 3,020,109.82-4,167,697.65-1,643,406.58

Finding the Fourth Proportional to 3,020,109.82, 4,167,697.65 and 1,643,406.58

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Solution

The fourth proportional to 3,020,109.82, 4,167,697.65 and 1,643,406.58 is: 2,267,871.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,109.82 : 4,167,697.65 = 1,643,406.58 : x
  2. Step 2: Convert to fraction form
    3,020,109.82/4,167,697.65 = 1,643,406.58/x
  3. Step 3: Cross multiply
    3,020,109.82x = 4,167,697.65 × 1,643,406.58
  4. Step 4: Simplify right side
    3,020,109.82x = 6,849,221,741,460.54
  5. Step 5: Solve for x
    x = 6,849,221,741,460.54/3,020,109.82
  6. Step 6: Final answer
    x = 2,267,871.75

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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.