Home / 5,628,905.50-8,443,978.38-1,789,829.77

Finding the Fourth Proportional to 5,628,905.50, 8,443,978.38 and 1,789,829.77

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Solution

The fourth proportional to 5,628,905.50, 8,443,978.38 and 1,789,829.77 is: 2,684,941.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628,905.50 : 8,443,978.38 = 1,789,829.77 : x
  2. Step 2: Convert to fraction form
    5,628,905.50/8,443,978.38 = 1,789,829.77/x
  3. Step 3: Cross multiply
    5,628,905.50x = 8,443,978.38 × 1,789,829.77
  4. Step 4: Simplify right side
    5,628,905.50x = 15,113,283,881,760.38
  5. Step 5: Solve for x
    x = 15,113,283,881,760.38/5,628,905.50
  6. Step 6: Final answer
    x = 2,684,941.84

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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.