Home / 3,105,506.47-4,287,281.12-2,178,062.41

Finding the Fourth Proportional to 3,105,506.47, 4,287,281.12 and 2,178,062.41

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Solution

The fourth proportional to 3,105,506.47, 4,287,281.12 and 2,178,062.41 is: 3,006,905.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,506.47 : 4,287,281.12 = 2,178,062.41 : x
  2. Step 2: Convert to fraction form
    3,105,506.47/4,287,281.12 = 2,178,062.41/x
  3. Step 3: Cross multiply
    3,105,506.47x = 4,287,281.12 × 2,178,062.41
  4. Step 4: Simplify right side
    3,105,506.47x = 9,337,965,837,684.39
  5. Step 5: Solve for x
    x = 9,337,965,837,684.39/3,105,506.47
  6. Step 6: Final answer
    x = 3,006,905.94

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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.