Home / 3,163,498.80-4,746,057.39-919,636.80

Finding the Fourth Proportional to 3,163,498.80, 4,746,057.39 and 919,636.80

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Solution

The fourth proportional to 3,163,498.80, 4,746,057.39 and 919,636.80 is: 1,379,690.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163,498.80 : 4,746,057.39 = 919,636.80 : x
  2. Step 2: Convert to fraction form
    3,163,498.80/4,746,057.39 = 919,636.80/x
  3. Step 3: Cross multiply
    3,163,498.80x = 4,746,057.39 × 919,636.80
  4. Step 4: Simplify right side
    3,163,498.80x = 4,364,649,037,838.07
  5. Step 5: Solve for x
    x = 4,364,649,037,838.07/3,163,498.80
  6. Step 6: Final answer
    x = 1,379,690.44

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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.