Home / 2,996,821.70-4,495,232.55-1,989,052.10

Finding the Fourth Proportional to 2,996,821.70, 4,495,232.55 and 1,989,052.10

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Solution

The fourth proportional to 2,996,821.70, 4,495,232.55 and 1,989,052.10 is: 2,983,578.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996,821.70 : 4,495,232.55 = 1,989,052.10 : x
  2. Step 2: Convert to fraction form
    2,996,821.70/4,495,232.55 = 1,989,052.10/x
  3. Step 3: Cross multiply
    2,996,821.70x = 4,495,232.55 × 1,989,052.10
  4. Step 4: Simplify right side
    2,996,821.70x = 8,941,251,743,565.86
  5. Step 5: Solve for x
    x = 8,941,251,743,565.86/2,996,821.70
  6. Step 6: Final answer
    x = 2,983,578.15

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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.