Home / 7,045,218-9,722,402.25-4,291,905.28

Finding the Fourth Proportional to 7,045,218, 9,722,402.25 and 4,291,905.28

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Solution

The fourth proportional to 7,045,218, 9,722,402.25 and 4,291,905.28 is: 5,922,830.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045,218 : 9,722,402.25 = 4,291,905.28 : x
  2. Step 2: Convert to fraction form
    7,045,218/9,722,402.25 = 4,291,905.28/x
  3. Step 3: Cross multiply
    7,045,218x = 9,722,402.25 × 4,291,905.28
  4. Step 4: Simplify right side
    7,045,218x = 41,727,629,551,058.88
  5. Step 5: Solve for x
    x = 41,727,629,551,058.88/7,045,218
  6. Step 6: Final answer
    x = 5,922,830.15

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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.