Home / 3,130,247.80-4,695,590.40-1,236,743.20

Finding the Fourth Proportional to 3,130,247.80, 4,695,590.40 and 1,236,743.20

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Solution

The fourth proportional to 3,130,247.80, 4,695,590.40 and 1,236,743.20 is: 1,855,201.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,247.80 : 4,695,590.40 = 1,236,743.20 : x
  2. Step 2: Convert to fraction form
    3,130,247.80/4,695,590.40 = 1,236,743.20/x
  3. Step 3: Cross multiply
    3,130,247.80x = 4,695,590.40 × 1,236,743.20
  4. Step 4: Simplify right side
    3,130,247.80x = 5,807,239,497,185.28
  5. Step 5: Solve for x
    x = 5,807,239,497,185.28/3,130,247.80
  6. Step 6: Final answer
    x = 1,855,201.21

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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.