Home / 2,679,833.40-3,698,128.14-1,472,583.48

Finding the Fourth Proportional to 2,679,833.40, 3,698,128.14 and 1,472,583.48

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Solution

The fourth proportional to 2,679,833.40, 3,698,128.14 and 1,472,583.48 is: 2,032,142.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,833.40 : 3,698,128.14 = 1,472,583.48 : x
  2. Step 2: Convert to fraction form
    2,679,833.40/3,698,128.14 = 1,472,583.48/x
  3. Step 3: Cross multiply
    2,679,833.40x = 3,698,128.14 × 1,472,583.48
  4. Step 4: Simplify right side
    2,679,833.40x = 5,445,802,405,887.13
  5. Step 5: Solve for x
    x = 5,445,802,405,887.13/2,679,833.40
  6. Step 6: Final answer
    x = 2,032,142.15

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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.