Home / 4,938,806.40-7,408,209.60-4,403,428.80

Finding the Fourth Proportional to 4,938,806.40, 7,408,209.60 and 4,403,428.80

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Solution

The fourth proportional to 4,938,806.40, 7,408,209.60 and 4,403,428.80 is: 6,605,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938,806.40 : 7,408,209.60 = 4,403,428.80 : x
  2. Step 2: Convert to fraction form
    4,938,806.40/7,408,209.60 = 4,403,428.80/x
  3. Step 3: Cross multiply
    4,938,806.40x = 7,408,209.60 × 4,403,428.80
  4. Step 4: Simplify right side
    4,938,806.40x = 32,621,523,509,076.48
  5. Step 5: Solve for x
    x = 32,621,523,509,076.48/4,938,806.40
  6. Step 6: Final answer
    x = 6,605,143.20

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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.