Home / 5,035,658.69-7,555,720.70-2,638,933.49

Finding the Fourth Proportional to 5,035,658.69, 7,555,720.70 and 2,638,933.49

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Solution

The fourth proportional to 5,035,658.69, 7,555,720.70 and 2,638,933.49 is: 3,959,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,035,658.69 : 7,555,720.70 = 2,638,933.49 : x
  2. Step 2: Convert to fraction form
    5,035,658.69/7,555,720.70 = 2,638,933.49/x
  3. Step 3: Cross multiply
    5,035,658.69x = 7,555,720.70 × 2,638,933.49
  4. Step 4: Simplify right side
    5,035,658.69x = 19,939,044,421,802.88
  5. Step 5: Solve for x
    x = 19,939,044,421,802.88/5,035,658.69
  6. Step 6: Final answer
    x = 3,959,570.26

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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.