Home / 3,428,098.76-4,730,673.75-1,879,307.46

Finding the Fourth Proportional to 3,428,098.76, 4,730,673.75 and 1,879,307.46

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Solution

The fourth proportional to 3,428,098.76, 4,730,673.75 and 1,879,307.46 is: 2,593,388.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,098.76 : 4,730,673.75 = 1,879,307.46 : x
  2. Step 2: Convert to fraction form
    3,428,098.76/4,730,673.75 = 1,879,307.46/x
  3. Step 3: Cross multiply
    3,428,098.76x = 4,730,673.75 × 1,879,307.46
  4. Step 4: Simplify right side
    3,428,098.76x = 8,890,390,469,201.18
  5. Step 5: Solve for x
    x = 8,890,390,469,201.18/3,428,098.76
  6. Step 6: Final answer
    x = 2,593,388.09

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1.5x scale

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.