Home / 3,115,841.21-4,673,998.16-841,332.51

Finding the Fourth Proportional to 3,115,841.21, 4,673,998.16 and 841,332.51

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Solution

The fourth proportional to 3,115,841.21, 4,673,998.16 and 841,332.51 is: 1,262,062.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,841.21 : 4,673,998.16 = 841,332.51 : x
  2. Step 2: Convert to fraction form
    3,115,841.21/4,673,998.16 = 841,332.51/x
  3. Step 3: Cross multiply
    3,115,841.21x = 4,673,998.16 × 841,332.51
  4. Step 4: Simplify right side
    3,115,841.21x = 3,932,386,603,688.18
  5. Step 5: Solve for x
    x = 3,932,386,603,688.18/3,115,841.21
  6. Step 6: Final answer
    x = 1,262,062.58

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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.