Home / 1,902,477.70-2,854,144.23-640,268.74

Finding the Fourth Proportional to 1,902,477.70, 2,854,144.23 and 640,268.74

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Solution

The fourth proportional to 1,902,477.70, 2,854,144.23 and 640,268.74 is: 960,547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,477.70 : 2,854,144.23 = 640,268.74 : x
  2. Step 2: Convert to fraction form
    1,902,477.70/2,854,144.23 = 640,268.74/x
  3. Step 3: Cross multiply
    1,902,477.70x = 2,854,144.23 × 640,268.74
  4. Step 4: Simplify right side
    1,902,477.70x = 1,827,419,329,920.37
  5. Step 5: Solve for x
    x = 1,827,419,329,920.37/1,902,477.70
  6. Step 6: Final answer
    x = 960,547.04

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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.