Home / 1,990,376.10-2,985,564.15-494,468.10

Finding the Fourth Proportional to 1,990,376.10, 2,985,564.15 and 494,468.10

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Solution

The fourth proportional to 1,990,376.10, 2,985,564.15 and 494,468.10 is: 741,702.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,376.10 : 2,985,564.15 = 494,468.10 : x
  2. Step 2: Convert to fraction form
    1,990,376.10/2,985,564.15 = 494,468.10/x
  3. Step 3: Cross multiply
    1,990,376.10x = 2,985,564.15 × 494,468.10
  4. Step 4: Simplify right side
    1,990,376.10x = 1,476,266,232,678.62
  5. Step 5: Solve for x
    x = 1,476,266,232,678.62/1,990,376.10
  6. Step 6: Final answer
    x = 741,702.15

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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.