Home / 1,987,012.98-2,980,547.42-567,069.22

Finding the Fourth Proportional to 1,987,012.98, 2,980,547.42 and 567,069.22

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Solution

The fourth proportional to 1,987,012.98, 2,980,547.42 and 567,069.22 is: 850,611.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,012.98 : 2,980,547.42 = 567,069.22 : x
  2. Step 2: Convert to fraction form
    1,987,012.98/2,980,547.42 = 567,069.22/x
  3. Step 3: Cross multiply
    1,987,012.98x = 2,980,547.42 × 567,069.22
  4. Step 4: Simplify right side
    1,987,012.98x = 1,690,176,700,632.41
  5. Step 5: Solve for x
    x = 1,690,176,700,632.41/1,987,012.98
  6. Step 6: Final answer
    x = 850,611.81

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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.