Home / 2,142,257.44-3,213,432.60-776,153.02

Finding the Fourth Proportional to 2,142,257.44, 3,213,432.60 and 776,153.02

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Solution

The fourth proportional to 2,142,257.44, 3,213,432.60 and 776,153.02 is: 1,164,246.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,257.44 : 3,213,432.60 = 776,153.02 : x
  2. Step 2: Convert to fraction form
    2,142,257.44/3,213,432.60 = 776,153.02/x
  3. Step 3: Cross multiply
    2,142,257.44x = 3,213,432.60 × 776,153.02
  4. Step 4: Simplify right side
    2,142,257.44x = 2,494,115,417,056.45
  5. Step 5: Solve for x
    x = 2,494,115,417,056.45/2,142,257.44
  6. Step 6: Final answer
    x = 1,164,246.36

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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.