Home / 4,938,934.40-7,408,401.60-2,099,139.20

Finding the Fourth Proportional to 4,938,934.40, 7,408,401.60 and 2,099,139.20

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Solution

The fourth proportional to 4,938,934.40, 7,408,401.60 and 2,099,139.20 is: 3,148,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938,934.40 : 7,408,401.60 = 2,099,139.20 : x
  2. Step 2: Convert to fraction form
    4,938,934.40/7,408,401.60 = 2,099,139.20/x
  3. Step 3: Cross multiply
    4,938,934.40x = 7,408,401.60 × 2,099,139.20
  4. Step 4: Simplify right side
    4,938,934.40x = 15,551,266,207,902.72
  5. Step 5: Solve for x
    x = 15,551,266,207,902.72/4,938,934.40
  6. Step 6: Final answer
    x = 3,148,708.80

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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.