Home / 5,035,710.78-7,555,798.80-2,638,985.58

Finding the Fourth Proportional to 5,035,710.78, 7,555,798.80 and 2,638,985.58

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Solution

The fourth proportional to 5,035,710.78, 7,555,798.80 and 2,638,985.58 is: 3,959,648.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,035,710.78 : 7,555,798.80 = 2,638,985.58 : x
  2. Step 2: Convert to fraction form
    5,035,710.78/7,555,798.80 = 2,638,985.58/x
  3. Step 3: Cross multiply
    5,035,710.78x = 7,555,798.80 × 2,638,985.58
  4. Step 4: Simplify right side
    5,035,710.78x = 19,939,644,078,581.30
  5. Step 5: Solve for x
    x = 19,939,644,078,581.30/5,035,710.78
  6. Step 6: Final answer
    x = 3,959,648.39

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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.