Home / 4,420,990.26-6,631,485.02-1,226,116.38

Finding the Fourth Proportional to 4,420,990.26, 6,631,485.02 and 1,226,116.38

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Solution

The fourth proportional to 4,420,990.26, 6,631,485.02 and 1,226,116.38 is: 1,839,174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420,990.26 : 6,631,485.02 = 1,226,116.38 : x
  2. Step 2: Convert to fraction form
    4,420,990.26/6,631,485.02 = 1,226,116.38/x
  3. Step 3: Cross multiply
    4,420,990.26x = 6,631,485.02 × 1,226,116.38
  4. Step 4: Simplify right side
    4,420,990.26x = 8,130,972,406,746.63
  5. Step 5: Solve for x
    x = 8,130,972,406,746.63/4,420,990.26
  6. Step 6: Final answer
    x = 1,839,174.47

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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.