Home / 6,445,509.20-9,656,599.80-3,072,280.40

Finding the Fourth Proportional to 6,445,509.20, 9,656,599.80 and 3,072,280.40

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Solution

The fourth proportional to 6,445,509.20, 9,656,599.80 and 3,072,280.40 is: 4,602,860.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445,509.20 : 9,656,599.80 = 3,072,280.40 : x
  2. Step 2: Convert to fraction form
    6,445,509.20/9,656,599.80 = 3,072,280.40/x
  3. Step 3: Cross multiply
    6,445,509.20x = 9,656,599.80 × 3,072,280.40
  4. Step 4: Simplify right side
    6,445,509.20x = 29,667,782,296,183.92
  5. Step 5: Solve for x
    x = 29,667,782,296,183.92/6,445,509.20
  6. Step 6: Final answer
    x = 4,602,860.90

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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.