Home / 5,161,171.59-7,742,688.23-2,126,848.52

Finding the Fourth Proportional to 5,161,171.59, 7,742,688.23 and 2,126,848.52

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Solution

The fourth proportional to 5,161,171.59, 7,742,688.23 and 2,126,848.52 is: 3,190,656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161,171.59 : 7,742,688.23 = 2,126,848.52 : x
  2. Step 2: Convert to fraction form
    5,161,171.59/7,742,688.23 = 2,126,848.52/x
  3. Step 3: Cross multiply
    5,161,171.59x = 7,742,688.23 × 2,126,848.52
  4. Step 4: Simplify right side
    5,161,171.59x = 16,467,524,953,449.24
  5. Step 5: Solve for x
    x = 16,467,524,953,449.24/5,161,171.59
  6. Step 6: Final answer
    x = 3,190,656.36

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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.