Home / 5,065,540.50-6,990,457.42-2,742,457.48

Finding the Fourth Proportional to 5,065,540.50, 6,990,457.42 and 2,742,457.48

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Solution

The fourth proportional to 5,065,540.50, 6,990,457.42 and 2,742,457.48 is: 3,784,597.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065,540.50 : 6,990,457.42 = 2,742,457.48 : x
  2. Step 2: Convert to fraction form
    5,065,540.50/6,990,457.42 = 2,742,457.48/x
  3. Step 3: Cross multiply
    5,065,540.50x = 6,990,457.42 × 2,742,457.48
  4. Step 4: Simplify right side
    5,065,540.50x = 19,171,032,240,100.50
  5. Step 5: Solve for x
    x = 19,171,032,240,100.50/5,065,540.50
  6. Step 6: Final answer
    x = 3,784,597.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.