Home / 5,418,137.61-7,477,365.83-3,003,689.61

Finding the Fourth Proportional to 5,418,137.61, 7,477,365.83 and 3,003,689.61

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Solution

The fourth proportional to 5,418,137.61, 7,477,365.83 and 3,003,689.61 is: 4,145,277.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418,137.61 : 7,477,365.83 = 3,003,689.61 : x
  2. Step 2: Convert to fraction form
    5,418,137.61/7,477,365.83 = 3,003,689.61/x
  3. Step 3: Cross multiply
    5,418,137.61x = 7,477,365.83 × 3,003,689.61
  4. Step 4: Simplify right side
    5,418,137.61x = 22,459,686,038,721.58
  5. Step 5: Solve for x
    x = 22,459,686,038,721.58/5,418,137.61
  6. Step 6: Final answer
    x = 4,145,277.89

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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.