Home / 4,127,707.80-6,191,270.10-1,431,379.80

Finding the Fourth Proportional to 4,127,707.80, 6,191,270.10 and 1,431,379.80

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Solution

The fourth proportional to 4,127,707.80, 6,191,270.10 and 1,431,379.80 is: 2,146,968.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127,707.80 : 6,191,270.10 = 1,431,379.80 : x
  2. Step 2: Convert to fraction form
    4,127,707.80/6,191,270.10 = 1,431,379.80/x
  3. Step 3: Cross multiply
    4,127,707.80x = 6,191,270.10 × 1,431,379.80
  4. Step 4: Simplify right side
    4,127,707.80x = 8,862,058,957,483.98
  5. Step 5: Solve for x
    x = 8,862,058,957,483.98/4,127,707.80
  6. Step 6: Final answer
    x = 2,146,968.58

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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.