Home / 3,307,992-4,564,688.64-1,857,675.72

Finding the Fourth Proportional to 3,307,992, 4,564,688.64 and 1,857,675.72

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Solution

The fourth proportional to 3,307,992, 4,564,688.64 and 1,857,675.72 is: 2,563,401.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307,992 : 4,564,688.64 = 1,857,675.72 : x
  2. Step 2: Convert to fraction form
    3,307,992/4,564,688.64 = 1,857,675.72/x
  3. Step 3: Cross multiply
    3,307,992x = 4,564,688.64 × 1,857,675.72
  4. Step 4: Simplify right side
    3,307,992x = 8,479,711,255,887.82
  5. Step 5: Solve for x
    x = 8,479,711,255,887.82/3,307,992
  6. Step 6: Final answer
    x = 2,563,401.38

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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.