Home / 4,989,731.40-7,484,597.10-4,485,846.60

Finding the Fourth Proportional to 4,989,731.40, 7,484,597.10 and 4,485,846.60

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Solution

The fourth proportional to 4,989,731.40, 7,484,597.10 and 4,485,846.60 is: 6,728,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989,731.40 : 7,484,597.10 = 4,485,846.60 : x
  2. Step 2: Convert to fraction form
    4,989,731.40/7,484,597.10 = 4,485,846.60/x
  3. Step 3: Cross multiply
    4,989,731.40x = 7,484,597.10 × 4,485,846.60
  4. Step 4: Simplify right side
    4,989,731.40x = 33,574,754,453,404.86
  5. Step 5: Solve for x
    x = 33,574,754,453,404.86/4,989,731.40
  6. Step 6: Final answer
    x = 6,728,769.90

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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.