Home / 5,390,260.30-8,085,390.45-4,185,660.70

Finding the Fourth Proportional to 5,390,260.30, 8,085,390.45 and 4,185,660.70

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Solution

The fourth proportional to 5,390,260.30, 8,085,390.45 and 4,185,660.70 is: 6,278,491.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,260.30 : 8,085,390.45 = 4,185,660.70 : x
  2. Step 2: Convert to fraction form
    5,390,260.30/8,085,390.45 = 4,185,660.70/x
  3. Step 3: Cross multiply
    5,390,260.30x = 8,085,390.45 × 4,185,660.70
  4. Step 4: Simplify right side
    5,390,260.30x = 33,842,701,050,720.32
  5. Step 5: Solve for x
    x = 33,842,701,050,720.32/5,390,260.30
  6. Step 6: Final answer
    x = 6,278,491.05

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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.