Home / 3,139,836-4,709,868.48-1,118,228.64

Finding the Fourth Proportional to 3,139,836, 4,709,868.48 and 1,118,228.64

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Solution

The fourth proportional to 3,139,836, 4,709,868.48 and 1,118,228.64 is: 1,677,383.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,836 : 4,709,868.48 = 1,118,228.64 : x
  2. Step 2: Convert to fraction form
    3,139,836/4,709,868.48 = 1,118,228.64/x
  3. Step 3: Cross multiply
    3,139,836x = 4,709,868.48 × 1,118,228.64
  4. Step 4: Simplify right side
    3,139,836x = 5,266,709,824,969.27
  5. Step 5: Solve for x
    x = 5,266,709,824,969.27/3,139,836
  6. Step 6: Final answer
    x = 1,677,383.73

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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.