Home / 3,890,494.12-5,368,495.08-2,148,050.47

Finding the Fourth Proportional to 3,890,494.12, 5,368,495.08 and 2,148,050.47

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Solution

The fourth proportional to 3,890,494.12, 5,368,495.08 and 2,148,050.47 is: 2,964,096.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890,494.12 : 5,368,495.08 = 2,148,050.47 : x
  2. Step 2: Convert to fraction form
    3,890,494.12/5,368,495.08 = 2,148,050.47/x
  3. Step 3: Cross multiply
    3,890,494.12x = 5,368,495.08 × 2,148,050.47
  4. Step 4: Simplify right side
    3,890,494.12x = 11,531,798,379,786.69
  5. Step 5: Solve for x
    x = 11,531,798,379,786.69/3,890,494.12
  6. Step 6: Final answer
    x = 2,964,096.08

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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.