Home / 5,160,874.55-7,742,243.33-2,126,582.15

Finding the Fourth Proportional to 5,160,874.55, 7,742,243.33 and 2,126,582.15

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Solution

The fourth proportional to 5,160,874.55, 7,742,243.33 and 2,126,582.15 is: 3,190,257.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160,874.55 : 7,742,243.33 = 2,126,582.15 : x
  2. Step 2: Convert to fraction form
    5,160,874.55/7,742,243.33 = 2,126,582.15/x
  3. Step 3: Cross multiply
    5,160,874.55x = 7,742,243.33 × 2,126,582.15
  4. Step 4: Simplify right side
    5,160,874.55x = 16,464,516,455,901.65
  5. Step 5: Solve for x
    x = 16,464,516,455,901.65/5,160,874.55
  6. Step 6: Final answer
    x = 3,190,257.06

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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.