Home / 4,636,543.20-6,945,483.60-3,218,200.80

Finding the Fourth Proportional to 4,636,543.20, 6,945,483.60 and 3,218,200.80

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Solution

The fourth proportional to 4,636,543.20, 6,945,483.60 and 3,218,200.80 is: 4,820,824.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,636,543.20 : 6,945,483.60 = 3,218,200.80 : x
  2. Step 2: Convert to fraction form
    4,636,543.20/6,945,483.60 = 3,218,200.80/x
  3. Step 3: Cross multiply
    4,636,543.20x = 6,945,483.60 × 3,218,200.80
  4. Step 4: Simplify right side
    4,636,543.20x = 22,351,960,877,906.88
  5. Step 5: Solve for x
    x = 22,351,960,877,906.88/4,636,543.20
  6. Step 6: Final answer
    x = 4,820,824.46

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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.