Home / 3,436,813.20-5,155,219.80-2,953,923.60

Finding the Fourth Proportional to 3,436,813.20, 5,155,219.80 and 2,953,923.60

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Solution

The fourth proportional to 3,436,813.20, 5,155,219.80 and 2,953,923.60 is: 4,430,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,813.20 : 5,155,219.80 = 2,953,923.60 : x
  2. Step 2: Convert to fraction form
    3,436,813.20/5,155,219.80 = 2,953,923.60/x
  3. Step 3: Cross multiply
    3,436,813.20x = 5,155,219.80 × 2,953,923.60
  4. Step 4: Simplify right side
    3,436,813.20x = 15,228,125,430,407.28
  5. Step 5: Solve for x
    x = 15,228,125,430,407.28/3,436,813.20
  6. Step 6: Final answer
    x = 4,430,885.40

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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.