Home / 5,501,059-8,249,719.60-1,905,986.80

Finding the Fourth Proportional to 5,501,059, 8,249,719.60 and 1,905,986.80

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Solution

The fourth proportional to 5,501,059, 8,249,719.60 and 1,905,986.80 is: 2,858,332.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,501,059 : 8,249,719.60 = 1,905,986.80 : x
  2. Step 2: Convert to fraction form
    5,501,059/8,249,719.60 = 1,905,986.80/x
  3. Step 3: Cross multiply
    5,501,059x = 8,249,719.60 × 1,905,986.80
  4. Step 4: Simplify right side
    5,501,059x = 15,723,856,661,301.28
  5. Step 5: Solve for x
    x = 15,723,856,661,301.28/5,501,059
  6. Step 6: Final answer
    x = 2,858,332.67

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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.