Home / 7,938,000.40-11,907,000.60-2,257,486.60

Finding the Fourth Proportional to 7,938,000.40, 11,907,000.60 and 2,257,486.60

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Solution

The fourth proportional to 7,938,000.40, 11,907,000.60 and 2,257,486.60 is: 3,386,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938,000.40 : 11,907,000.60 = 2,257,486.60 : x
  2. Step 2: Convert to fraction form
    7,938,000.40/11,907,000.60 = 2,257,486.60/x
  3. Step 3: Cross multiply
    7,938,000.40x = 11,907,000.60 × 2,257,486.60
  4. Step 4: Simplify right side
    7,938,000.40x = 26,879,894,300,691.96
  5. Step 5: Solve for x
    x = 26,879,894,300,691.96/7,938,000.40
  6. Step 6: Final answer
    x = 3,386,229.90

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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.