Home / 3,603,580.02-4,972,940.78-1,971,987.30

Finding the Fourth Proportional to 3,603,580.02, 4,972,940.78 and 1,971,987.30

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Solution

The fourth proportional to 3,603,580.02, 4,972,940.78 and 1,971,987.30 is: 2,721,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603,580.02 : 4,972,940.78 = 1,971,987.30 : x
  2. Step 2: Convert to fraction form
    3,603,580.02/4,972,940.78 = 1,971,987.30/x
  3. Step 3: Cross multiply
    3,603,580.02x = 4,972,940.78 × 1,971,987.30
  4. Step 4: Simplify right side
    3,603,580.02x = 9,806,576,051,952.16
  5. Step 5: Solve for x
    x = 9,806,576,051,952.16/3,603,580.02
  6. Step 6: Final answer
    x = 2,721,342.66

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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.