Home / 4,678,123.17-6,455,819.98-2,640,932.67

Finding the Fourth Proportional to 4,678,123.17, 6,455,819.98 and 2,640,932.67

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Solution

The fourth proportional to 4,678,123.17, 6,455,819.98 and 2,640,932.67 is: 3,644,492.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,123.17 : 6,455,819.98 = 2,640,932.67 : x
  2. Step 2: Convert to fraction form
    4,678,123.17/6,455,819.98 = 2,640,932.67/x
  3. Step 3: Cross multiply
    4,678,123.17x = 6,455,819.98 × 2,640,932.67
  4. Step 4: Simplify right side
    4,678,123.17x = 17,049,385,929,282.99
  5. Step 5: Solve for x
    x = 17,049,385,929,282.99/4,678,123.17
  6. Step 6: Final answer
    x = 3,644,492.74

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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.