Home / 5,430,022.80-8,142,960.60-1,642,246.80

Finding the Fourth Proportional to 5,430,022.80, 8,142,960.60 and 1,642,246.80

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Solution

The fourth proportional to 5,430,022.80, 8,142,960.60 and 1,642,246.80 is: 2,462,743.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,022.80 : 8,142,960.60 = 1,642,246.80 : x
  2. Step 2: Convert to fraction form
    5,430,022.80/8,142,960.60 = 1,642,246.80/x
  3. Step 3: Cross multiply
    5,430,022.80x = 8,142,960.60 × 1,642,246.80
  4. Step 4: Simplify right side
    5,430,022.80x = 13,372,750,987,876.08
  5. Step 5: Solve for x
    x = 13,372,750,987,876.08/5,430,022.80
  6. Step 6: Final answer
    x = 2,462,743.06

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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.