Home / 2,640,807.90-3,644,361.35-1,479,244.35

Finding the Fourth Proportional to 2,640,807.90, 3,644,361.35 and 1,479,244.35

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Solution

The fourth proportional to 2,640,807.90, 3,644,361.35 and 1,479,244.35 is: 2,041,383.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,807.90 : 3,644,361.35 = 1,479,244.35 : x
  2. Step 2: Convert to fraction form
    2,640,807.90/3,644,361.35 = 1,479,244.35/x
  3. Step 3: Cross multiply
    2,640,807.90x = 3,644,361.35 × 1,479,244.35
  4. Step 4: Simplify right side
    2,640,807.90x = 5,390,900,936,345.87
  5. Step 5: Solve for x
    x = 5,390,900,936,345.87/2,640,807.90
  6. Step 6: Final answer
    x = 2,041,383.22

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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.