Home / 4,120,838.16-6,182,141.58-1,388,655.24

Finding the Fourth Proportional to 4,120,838.16, 6,182,141.58 and 1,388,655.24

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Solution

The fourth proportional to 4,120,838.16, 6,182,141.58 and 1,388,655.24 is: 2,083,280.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120,838.16 : 6,182,141.58 = 1,388,655.24 : x
  2. Step 2: Convert to fraction form
    4,120,838.16/6,182,141.58 = 1,388,655.24/x
  3. Step 3: Cross multiply
    4,120,838.16x = 6,182,141.58 × 1,388,655.24
  4. Step 4: Simplify right side
    4,120,838.16x = 8,584,863,299,488.88
  5. Step 5: Solve for x
    x = 8,584,863,299,488.88/4,120,838.16
  6. Step 6: Final answer
    x = 2,083,280.87

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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.