Home / 4,938,140.70-7,407,211.05-4,906,647.90

Finding the Fourth Proportional to 4,938,140.70, 7,407,211.05 and 4,906,647.90

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Solution

The fourth proportional to 4,938,140.70, 7,407,211.05 and 4,906,647.90 is: 7,359,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938,140.70 : 7,407,211.05 = 4,906,647.90 : x
  2. Step 2: Convert to fraction form
    4,938,140.70/7,407,211.05 = 4,906,647.90/x
  3. Step 3: Cross multiply
    4,938,140.70x = 7,407,211.05 × 4,906,647.90
  4. Step 4: Simplify right side
    4,938,140.70x = 36,344,576,543,339.30
  5. Step 5: Solve for x
    x = 36,344,576,543,339.30/4,938,140.70
  6. Step 6: Final answer
    x = 7,359,971.85

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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.