Home / 5,420,548.40-8,130,822.60-1,431,460.40

Finding the Fourth Proportional to 5,420,548.40, 8,130,822.60 and 1,431,460.40

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Solution

The fourth proportional to 5,420,548.40, 8,130,822.60 and 1,431,460.40 is: 2,147,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420,548.40 : 8,130,822.60 = 1,431,460.40 : x
  2. Step 2: Convert to fraction form
    5,420,548.40/8,130,822.60 = 1,431,460.40/x
  3. Step 3: Cross multiply
    5,420,548.40x = 8,130,822.60 × 1,431,460.40
  4. Step 4: Simplify right side
    5,420,548.40x = 11,638,950,571,325.04
  5. Step 5: Solve for x
    x = 11,638,950,571,325.04/5,420,548.40
  6. Step 6: Final answer
    x = 2,147,190.60

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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.