Home / 2,585,551.82-3,878,592.62-989,457.35

Finding the Fourth Proportional to 2,585,551.82, 3,878,592.62 and 989,457.35

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Solution

The fourth proportional to 2,585,551.82, 3,878,592.62 and 989,457.35 is: 1,484,287.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,551.82 : 3,878,592.62 = 989,457.35 : x
  2. Step 2: Convert to fraction form
    2,585,551.82/3,878,592.62 = 989,457.35/x
  3. Step 3: Cross multiply
    2,585,551.82x = 3,878,592.62 × 989,457.35
  4. Step 4: Simplify right side
    2,585,551.82x = 3,837,701,951,174.51
  5. Step 5: Solve for x
    x = 3,837,701,951,174.51/2,585,551.82
  6. Step 6: Final answer
    x = 1,484,287.39

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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.