Home / 2,078,615.04-3,118,185-658,163.40

Finding the Fourth Proportional to 2,078,615.04, 3,118,185 and 658,163.40

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Solution

The fourth proportional to 2,078,615.04, 3,118,185 and 658,163.40 is: 987,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,615.04 : 3,118,185 = 658,163.40 : x
  2. Step 2: Convert to fraction form
    2,078,615.04/3,118,185 = 658,163.40/x
  3. Step 3: Cross multiply
    2,078,615.04x = 3,118,185 × 658,163.40
  4. Step 4: Simplify right side
    2,078,615.04x = 2,052,275,241,429
  5. Step 5: Solve for x
    x = 2,052,275,241,429/2,078,615.04
  6. Step 6: Final answer
    x = 987,328.20

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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.