Home / 5,642,531.02-7,789,076.64-3,809,472.40

Finding the Fourth Proportional to 5,642,531.02, 7,789,076.64 and 3,809,472.40

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Solution

The fourth proportional to 5,642,531.02, 7,789,076.64 and 3,809,472.40 is: 5,258,681.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642,531.02 : 7,789,076.64 = 3,809,472.40 : x
  2. Step 2: Convert to fraction form
    5,642,531.02/7,789,076.64 = 3,809,472.40/x
  3. Step 3: Cross multiply
    5,642,531.02x = 7,789,076.64 × 3,809,472.40
  4. Step 4: Simplify right side
    5,642,531.02x = 29,672,272,481,564.73
  5. Step 5: Solve for x
    x = 29,672,272,481,564.73/5,642,531.02
  6. Step 6: Final answer
    x = 5,258,681.32

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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.