Home / 5,277,163.16-7,916,072.90-1,911,399.32

Finding the Fourth Proportional to 5,277,163.16, 7,916,072.90 and 1,911,399.32

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Solution

The fourth proportional to 5,277,163.16, 7,916,072.90 and 1,911,399.32 is: 2,867,217.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277,163.16 : 7,916,072.90 = 1,911,399.32 : x
  2. Step 2: Convert to fraction form
    5,277,163.16/7,916,072.90 = 1,911,399.32/x
  3. Step 3: Cross multiply
    5,277,163.16x = 7,916,072.90 × 1,911,399.32
  4. Step 4: Simplify right side
    5,277,163.16x = 15,130,776,358,130.43
  5. Step 5: Solve for x
    x = 15,130,776,358,130.43/5,277,163.16
  6. Step 6: Final answer
    x = 2,867,217.84

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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.