Home / 1,664,986.86-2,295,766.53-1,230,033.60

Finding the Fourth Proportional to 1,664,986.86, 2,295,766.53 and 1,230,033.60

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Solution

The fourth proportional to 1,664,986.86, 2,295,766.53 and 1,230,033.60 is: 1,696,031.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,986.86 : 2,295,766.53 = 1,230,033.60 : x
  2. Step 2: Convert to fraction form
    1,664,986.86/2,295,766.53 = 1,230,033.60/x
  3. Step 3: Cross multiply
    1,664,986.86x = 2,295,766.53 × 1,230,033.60
  4. Step 4: Simplify right side
    1,664,986.86x = 2,823,869,969,655.41
  5. Step 5: Solve for x
    x = 2,823,869,969,655.41/1,664,986.86
  6. Step 6: Final answer
    x = 1,696,031.38

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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.