Home / 6,186,398.38-9,280,229.57-2,142,878.68

Finding the Fourth Proportional to 6,186,398.38, 9,280,229.57 and 2,142,878.68

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Solution

The fourth proportional to 6,186,398.38, 9,280,229.57 and 2,142,878.68 is: 3,214,536.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,186,398.38 : 9,280,229.57 = 2,142,878.68 : x
  2. Step 2: Convert to fraction form
    6,186,398.38/9,280,229.57 = 2,142,878.68/x
  3. Step 3: Cross multiply
    6,186,398.38x = 9,280,229.57 × 2,142,878.68
  4. Step 4: Simplify right side
    6,186,398.38x = 19,886,406,095,969.63
  5. Step 5: Solve for x
    x = 19,886,406,095,969.63/6,186,398.38
  6. Step 6: Final answer
    x = 3,214,536.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.