Home / 2,048,435.80-3,072,653.70-1,330,990.45

Finding the Fourth Proportional to 2,048,435.80, 3,072,653.70 and 1,330,990.45

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Solution

The fourth proportional to 2,048,435.80, 3,072,653.70 and 1,330,990.45 is: 1,996,485.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048,435.80 : 3,072,653.70 = 1,330,990.45 : x
  2. Step 2: Convert to fraction form
    2,048,435.80/3,072,653.70 = 1,330,990.45/x
  3. Step 3: Cross multiply
    2,048,435.80x = 3,072,653.70 × 1,330,990.45
  4. Step 4: Simplify right side
    2,048,435.80x = 4,089,672,730,857.17
  5. Step 5: Solve for x
    x = 4,089,672,730,857.17/2,048,435.80
  6. Step 6: Final answer
    x = 1,996,485.68

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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.