Home / 5,404,402.20-7,458,019.74-2,989,971.48

Finding the Fourth Proportional to 5,404,402.20, 7,458,019.74 and 2,989,971.48

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Solution

The fourth proportional to 5,404,402.20, 7,458,019.74 and 2,989,971.48 is: 4,126,130.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404,402.20 : 7,458,019.74 = 2,989,971.48 : x
  2. Step 2: Convert to fraction form
    5,404,402.20/7,458,019.74 = 2,989,971.48/x
  3. Step 3: Cross multiply
    5,404,402.20x = 7,458,019.74 × 2,989,971.48
  4. Step 4: Simplify right side
    5,404,402.20x = 22,299,266,319,877.02
  5. Step 5: Solve for x
    x = 22,299,266,319,877.02/5,404,402.20
  6. Step 6: Final answer
    x = 4,126,130.05

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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.