Home / 6,442,400.61-8,889,984.09-3,792,826.62

Finding the Fourth Proportional to 6,442,400.61, 8,889,984.09 and 3,792,826.62

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Solution

The fourth proportional to 6,442,400.61, 8,889,984.09 and 3,792,826.62 is: 5,233,789.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442,400.61 : 8,889,984.09 = 3,792,826.62 : x
  2. Step 2: Convert to fraction form
    6,442,400.61/8,889,984.09 = 3,792,826.62/x
  3. Step 3: Cross multiply
    6,442,400.61x = 8,889,984.09 × 3,792,826.62
  4. Step 4: Simplify right side
    6,442,400.61x = 33,718,168,307,928.48
  5. Step 5: Solve for x
    x = 33,718,168,307,928.48/6,442,400.61
  6. Step 6: Final answer
    x = 5,233,789.44

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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.