Home / 2,790,455.50-3,850,592.88-1,688,297.55

Finding the Fourth Proportional to 2,790,455.50, 3,850,592.88 and 1,688,297.55

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Solution

The fourth proportional to 2,790,455.50, 3,850,592.88 and 1,688,297.55 is: 2,329,708.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,455.50 : 3,850,592.88 = 1,688,297.55 : x
  2. Step 2: Convert to fraction form
    2,790,455.50/3,850,592.88 = 1,688,297.55/x
  3. Step 3: Cross multiply
    2,790,455.50x = 3,850,592.88 × 1,688,297.55
  4. Step 4: Simplify right side
    2,790,455.50x = 6,500,946,525,351.44
  5. Step 5: Solve for x
    x = 6,500,946,525,351.44/2,790,455.50
  6. Step 6: Final answer
    x = 2,329,708.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.