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Finding the Fourth Proportional to 2,672,624, 4,008,858.24 and 989,690.24

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Solution

The fourth proportional to 2,672,624, 4,008,858.24 and 989,690.24 is: 1,484,506.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,624 : 4,008,858.24 = 989,690.24 : x
  2. Step 2: Convert to fraction form
    2,672,624/4,008,858.24 = 989,690.24/x
  3. Step 3: Cross multiply
    2,672,624x = 4,008,858.24 × 989,690.24
  4. Step 4: Simplify right side
    2,672,624x = 3,967,527,873,671.58
  5. Step 5: Solve for x
    x = 3,967,527,873,671.58/2,672,624
  6. Step 6: Final answer
    x = 1,484,506.56

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1.5x scale

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.