Home / 5,290,214.28-7,287,537.78-3,835,635.72

Finding the Fourth Proportional to 5,290,214.28, 7,287,537.78 and 3,835,635.72

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Solution

The fourth proportional to 5,290,214.28, 7,287,537.78 and 3,835,635.72 is: 5,283,782.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290,214.28 : 7,287,537.78 = 3,835,635.72 : x
  2. Step 2: Convert to fraction form
    5,290,214.28/7,287,537.78 = 3,835,635.72/x
  3. Step 3: Cross multiply
    5,290,214.28x = 7,287,537.78 × 3,835,635.72
  4. Step 4: Simplify right side
    5,290,214.28x = 27,952,340,219,817.50
  5. Step 5: Solve for x
    x = 27,952,340,219,817.50/5,290,214.28
  6. Step 6: Final answer
    x = 5,283,782.23

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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.