Home / 5,160,729.60-7,742,027.51-2,126,407.43

Finding the Fourth Proportional to 5,160,729.60, 7,742,027.51 and 2,126,407.43

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Solution

The fourth proportional to 5,160,729.60, 7,742,027.51 and 2,126,407.43 is: 3,189,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160,729.60 : 7,742,027.51 = 2,126,407.43 : x
  2. Step 2: Convert to fraction form
    5,160,729.60/7,742,027.51 = 2,126,407.43/x
  3. Step 3: Cross multiply
    5,160,729.60x = 7,742,027.51 × 2,126,407.43
  4. Step 4: Simplify right side
    5,160,729.60x = 16,462,704,771,186.22
  5. Step 5: Solve for x
    x = 16,462,704,771,186.22/5,160,729.60
  6. Step 6: Final answer
    x = 3,189,995.61

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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.