Home / 6,478,275-9,723,390.36-3,285,643.20

Finding the Fourth Proportional to 6,478,275, 9,723,390.36 and 3,285,643.20

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Solution

The fourth proportional to 6,478,275, 9,723,390.36 and 3,285,643.20 is: 4,931,496.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478,275 : 9,723,390.36 = 3,285,643.20 : x
  2. Step 2: Convert to fraction form
    6,478,275/9,723,390.36 = 3,285,643.20/x
  3. Step 3: Cross multiply
    6,478,275x = 9,723,390.36 × 3,285,643.20
  4. Step 4: Simplify right side
    6,478,275x = 31,947,591,417,279.55
  5. Step 5: Solve for x
    x = 31,947,591,417,279.55/6,478,275
  6. Step 6: Final answer
    x = 4,931,496.64

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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.