Home / 2,525,616.70-3,788,457.89-842,720.20

Finding the Fourth Proportional to 2,525,616.70, 3,788,457.89 and 842,720.20

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Solution

The fourth proportional to 2,525,616.70, 3,788,457.89 and 842,720.20 is: 1,264,091.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525,616.70 : 3,788,457.89 = 842,720.20 : x
  2. Step 2: Convert to fraction form
    2,525,616.70/3,788,457.89 = 842,720.20/x
  3. Step 3: Cross multiply
    2,525,616.70x = 3,788,457.89 × 842,720.20
  4. Step 4: Simplify right side
    2,525,616.70x = 3,192,609,998,377.71
  5. Step 5: Solve for x
    x = 3,192,609,998,377.71/2,525,616.70
  6. Step 6: Final answer
    x = 1,264,091.26

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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.