Home / 2,828,709.78-4,236,310.95-1,628,108.46

Finding the Fourth Proportional to 2,828,709.78, 4,236,310.95 and 1,628,108.46

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Solution

The fourth proportional to 2,828,709.78, 4,236,310.95 and 1,628,108.46 is: 2,438,275.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828,709.78 : 4,236,310.95 = 1,628,108.46 : x
  2. Step 2: Convert to fraction form
    2,828,709.78/4,236,310.95 = 1,628,108.46/x
  3. Step 3: Cross multiply
    2,828,709.78x = 4,236,310.95 × 1,628,108.46
  4. Step 4: Simplify right side
    2,828,709.78x = 6,897,173,696,885.64
  5. Step 5: Solve for x
    x = 6,897,173,696,885.64/2,828,709.78
  6. Step 6: Final answer
    x = 2,438,275.48

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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.