Home / 4,465,385.84-6,689,649.72-2,638,298.72

Finding the Fourth Proportional to 4,465,385.84, 6,689,649.72 and 2,638,298.72

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Solution

The fourth proportional to 4,465,385.84, 6,689,649.72 and 2,638,298.72 is: 3,952,467.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,465,385.84 : 6,689,649.72 = 2,638,298.72 : x
  2. Step 2: Convert to fraction form
    4,465,385.84/6,689,649.72 = 2,638,298.72/x
  3. Step 3: Cross multiply
    4,465,385.84x = 6,689,649.72 × 2,638,298.72
  4. Step 4: Simplify right side
    4,465,385.84x = 17,649,294,293,524.36
  5. Step 5: Solve for x
    x = 17,649,294,293,524.36/4,465,385.84
  6. Step 6: Final answer
    x = 3,952,467.92

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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.