Home / 1,926,404.40-2,890,470.60-665,137.20

Finding the Fourth Proportional to 1,926,404.40, 2,890,470.60 and 665,137.20

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Solution

The fourth proportional to 1,926,404.40, 2,890,470.60 and 665,137.20 is: 998,004.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,404.40 : 2,890,470.60 = 665,137.20 : x
  2. Step 2: Convert to fraction form
    1,926,404.40/2,890,470.60 = 665,137.20/x
  3. Step 3: Cross multiply
    1,926,404.40x = 2,890,470.60 × 665,137.20
  4. Step 4: Simplify right side
    1,926,404.40x = 1,922,559,521,566.32
  5. Step 5: Solve for x
    x = 1,922,559,521,566.32/1,926,404.40
  6. Step 6: Final answer
    x = 998,004.12

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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.