Home / 5,160,724.72-7,742,020.20-2,126,402.55

Finding the Fourth Proportional to 5,160,724.72, 7,742,020.20 and 2,126,402.55

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Solution

The fourth proportional to 5,160,724.72, 7,742,020.20 and 2,126,402.55 is: 3,189,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160,724.72 : 7,742,020.20 = 2,126,402.55 : x
  2. Step 2: Convert to fraction form
    5,160,724.72/7,742,020.20 = 2,126,402.55/x
  3. Step 3: Cross multiply
    5,160,724.72x = 7,742,020.20 × 2,126,402.55
  4. Step 4: Simplify right side
    5,160,724.72x = 16,462,651,487,457.50
  5. Step 5: Solve for x
    x = 16,462,651,487,457.50/5,160,724.72
  6. Step 6: Final answer
    x = 3,189,988.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.