Home / 1,802,812.70-2,487,910.87-987,002.62

Finding the Fourth Proportional to 1,802,812.70, 2,487,910.87 and 987,002.62

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Solution

The fourth proportional to 1,802,812.70, 2,487,910.87 and 987,002.62 is: 1,362,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,812.70 : 2,487,910.87 = 987,002.62 : x
  2. Step 2: Convert to fraction form
    1,802,812.70/2,487,910.87 = 987,002.62/x
  3. Step 3: Cross multiply
    1,802,812.70x = 2,487,910.87 × 987,002.62
  4. Step 4: Simplify right side
    1,802,812.70x = 2,455,574,547,016.48
  5. Step 5: Solve for x
    x = 2,455,574,547,016.48/1,802,812.70
  6. Step 6: Final answer
    x = 1,362,079.68

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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.