Home / 6,442,139.69-8,889,624.35-3,792,566.61

Finding the Fourth Proportional to 6,442,139.69, 8,889,624.35 and 3,792,566.61

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Solution

The fourth proportional to 6,442,139.69, 8,889,624.35 and 3,792,566.61 is: 5,233,430.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442,139.69 : 8,889,624.35 = 3,792,566.61 : x
  2. Step 2: Convert to fraction form
    6,442,139.69/8,889,624.35 = 3,792,566.61/x
  3. Step 3: Cross multiply
    6,442,139.69x = 8,889,624.35 × 3,792,566.61
  4. Step 4: Simplify right side
    6,442,139.69x = 33,714,492,480,512.25
  5. Step 5: Solve for x
    x = 33,714,492,480,512.25/6,442,139.69
  6. Step 6: Final answer
    x = 5,233,430.83

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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.