Home / 4,139,289.54-5,708,978.55-2,689,455.96

Finding the Fourth Proportional to 4,139,289.54, 5,708,978.55 and 2,689,455.96

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Solution

The fourth proportional to 4,139,289.54, 5,708,978.55 and 2,689,455.96 is: 3,709,343.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139,289.54 : 5,708,978.55 = 2,689,455.96 : x
  2. Step 2: Convert to fraction form
    4,139,289.54/5,708,978.55 = 2,689,455.96/x
  3. Step 3: Cross multiply
    4,139,289.54x = 5,708,978.55 × 2,689,455.96
  4. Step 4: Simplify right side
    4,139,289.54x = 15,354,046,386,809.66
  5. Step 5: Solve for x
    x = 15,354,046,386,809.66/4,139,289.54
  6. Step 6: Final answer
    x = 3,709,343.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.