Home / 3,212,503.80-4,817,205.55-1,865,005.62

Finding the Fourth Proportional to 3,212,503.80, 4,817,205.55 and 1,865,005.62

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Solution

The fourth proportional to 3,212,503.80, 4,817,205.55 and 1,865,005.62 is: 2,796,608.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,503.80 : 4,817,205.55 = 1,865,005.62 : x
  2. Step 2: Convert to fraction form
    3,212,503.80/4,817,205.55 = 1,865,005.62/x
  3. Step 3: Cross multiply
    3,212,503.80x = 4,817,205.55 × 1,865,005.62
  4. Step 4: Simplify right side
    3,212,503.80x = 8,984,115,423,445.19
  5. Step 5: Solve for x
    x = 8,984,115,423,445.19/3,212,503.80
  6. Step 6: Final answer
    x = 2,796,608.50

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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.