Home / 5,176,005.44-7,143,419.02-3,111,689.32

Finding the Fourth Proportional to 5,176,005.44, 7,143,419.02 and 3,111,689.32

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Solution

The fourth proportional to 5,176,005.44, 7,143,419.02 and 3,111,689.32 is: 4,294,450.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176,005.44 : 7,143,419.02 = 3,111,689.32 : x
  2. Step 2: Convert to fraction form
    5,176,005.44/7,143,419.02 = 3,111,689.32/x
  3. Step 3: Cross multiply
    5,176,005.44x = 7,143,419.02 × 3,111,689.32
  4. Step 4: Simplify right side
    5,176,005.44x = 22,228,100,672,818.86
  5. Step 5: Solve for x
    x = 22,228,100,672,818.86/5,176,005.44
  6. Step 6: Final answer
    x = 4,294,450.79

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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.