Home / 5,162,156.12-7,742,729.64-1,567,954.28

Finding the Fourth Proportional to 5,162,156.12, 7,742,729.64 and 1,567,954.28

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Solution

The fourth proportional to 5,162,156.12, 7,742,729.64 and 1,567,954.28 is: 2,351,778.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162,156.12 : 7,742,729.64 = 1,567,954.28 : x
  2. Step 2: Convert to fraction form
    5,162,156.12/7,742,729.64 = 1,567,954.28/x
  3. Step 3: Cross multiply
    5,162,156.12x = 7,742,729.64 × 1,567,954.28
  4. Step 4: Simplify right side
    5,162,156.12x = 12,140,246,077,920.86
  5. Step 5: Solve for x
    x = 12,140,246,077,920.86/5,162,156.12
  6. Step 6: Final answer
    x = 2,351,778.17

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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.