Home / 2,996,921.40-4,495,382.10-2,099,376.60

Finding the Fourth Proportional to 2,996,921.40, 4,495,382.10 and 2,099,376.60

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Solution

The fourth proportional to 2,996,921.40, 4,495,382.10 and 2,099,376.60 is: 3,149,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996,921.40 : 4,495,382.10 = 2,099,376.60 : x
  2. Step 2: Convert to fraction form
    2,996,921.40/4,495,382.10 = 2,099,376.60/x
  3. Step 3: Cross multiply
    2,996,921.40x = 4,495,382.10 × 2,099,376.60
  4. Step 4: Simplify right side
    2,996,921.40x = 9,437,499,988,798.86
  5. Step 5: Solve for x
    x = 9,437,499,988,798.86/2,996,921.40
  6. Step 6: Final answer
    x = 3,149,064.90

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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.