Home / 4,118,679.40-6,178,019.10-2,774,986.60

Finding the Fourth Proportional to 4,118,679.40, 6,178,019.10 and 2,774,986.60

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Solution

The fourth proportional to 4,118,679.40, 6,178,019.10 and 2,774,986.60 is: 4,162,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118,679.40 : 6,178,019.10 = 2,774,986.60 : x
  2. Step 2: Convert to fraction form
    4,118,679.40/6,178,019.10 = 2,774,986.60/x
  3. Step 3: Cross multiply
    4,118,679.40x = 6,178,019.10 × 2,774,986.60
  4. Step 4: Simplify right side
    4,118,679.40x = 17,143,920,217,044.06
  5. Step 5: Solve for x
    x = 17,143,920,217,044.06/4,118,679.40
  6. Step 6: Final answer
    x = 4,162,479.90

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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.