Home / 5,238,431.09-7,228,644.10-2,946,148.91

Finding the Fourth Proportional to 5,238,431.09, 7,228,644.10 and 2,946,148.91

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Solution

The fourth proportional to 5,238,431.09, 7,228,644.10 and 2,946,148.91 is: 4,065,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238,431.09 : 7,228,644.10 = 2,946,148.91 : x
  2. Step 2: Convert to fraction form
    5,238,431.09/7,228,644.10 = 2,946,148.91/x
  3. Step 3: Cross multiply
    5,238,431.09x = 7,228,644.10 × 2,946,148.91
  4. Step 4: Simplify right side
    5,238,431.09x = 21,296,661,899,849.71
  5. Step 5: Solve for x
    x = 21,296,661,899,849.71/5,238,431.09
  6. Step 6: Final answer
    x = 4,065,465.70

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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.