Home / 1,765,984.60-2,648,976.90-1,636,076.80

Finding the Fourth Proportional to 1,765,984.60, 2,648,976.90 and 1,636,076.80

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Solution

The fourth proportional to 1,765,984.60, 2,648,976.90 and 1,636,076.80 is: 2,454,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,984.60 : 2,648,976.90 = 1,636,076.80 : x
  2. Step 2: Convert to fraction form
    1,765,984.60/2,648,976.90 = 1,636,076.80/x
  3. Step 3: Cross multiply
    1,765,984.60x = 2,648,976.90 × 1,636,076.80
  4. Step 4: Simplify right side
    1,765,984.60x = 4,333,929,649,825.92
  5. Step 5: Solve for x
    x = 4,333,929,649,825.92/1,765,984.60
  6. Step 6: Final answer
    x = 2,454,115.20

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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.