Home / 4,585,469.40-6,878,860.20-1,390,845.60

Finding the Fourth Proportional to 4,585,469.40, 6,878,860.20 and 1,390,845.60

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Solution

The fourth proportional to 4,585,469.40, 6,878,860.20 and 1,390,845.60 is: 2,086,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,585,469.40 : 6,878,860.20 = 1,390,845.60 : x
  2. Step 2: Convert to fraction form
    4,585,469.40/6,878,860.20 = 1,390,845.60/x
  3. Step 3: Cross multiply
    4,585,469.40x = 6,878,860.20 × 1,390,845.60
  4. Step 4: Simplify right side
    4,585,469.40x = 9,567,432,442,185.12
  5. Step 5: Solve for x
    x = 9,567,432,442,185.12/4,585,469.40
  6. Step 6: Final answer
    x = 2,086,467.41

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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.