Home / 2,425,620.40-3,638,603.40-742,721.20

Finding the Fourth Proportional to 2,425,620.40, 3,638,603.40 and 742,721.20

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Solution

The fourth proportional to 2,425,620.40, 3,638,603.40 and 742,721.20 is: 1,114,134.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425,620.40 : 3,638,603.40 = 742,721.20 : x
  2. Step 2: Convert to fraction form
    2,425,620.40/3,638,603.40 = 742,721.20/x
  3. Step 3: Cross multiply
    2,425,620.40x = 3,638,603.40 × 742,721.20
  4. Step 4: Simplify right side
    2,425,620.40x = 2,702,467,883,572.08
  5. Step 5: Solve for x
    x = 2,702,467,883,572.08/2,425,620.40
  6. Step 6: Final answer
    x = 1,114,134.71

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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.