Home / 1,986,952.98-2,980,457.43-567,009.21

Finding the Fourth Proportional to 1,986,952.98, 2,980,457.43 and 567,009.21

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Solution

The fourth proportional to 1,986,952.98, 2,980,457.43 and 567,009.21 is: 850,521.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,952.98 : 2,980,457.43 = 567,009.21 : x
  2. Step 2: Convert to fraction form
    1,986,952.98/2,980,457.43 = 567,009.21/x
  3. Step 3: Cross multiply
    1,986,952.98x = 2,980,457.43 × 567,009.21
  4. Step 4: Simplify right side
    1,986,952.98x = 1,689,946,812,822.93
  5. Step 5: Solve for x
    x = 1,689,946,812,822.93/1,986,952.98
  6. Step 6: Final answer
    x = 850,521.79

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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.