Home / 1,630,314.90-2,428,578.21-1,603,487.70

Finding the Fourth Proportional to 1,630,314.90, 2,428,578.21 and 1,603,487.70

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Solution

The fourth proportional to 1,630,314.90, 2,428,578.21 and 1,603,487.70 is: 2,388,615.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,314.90 : 2,428,578.21 = 1,603,487.70 : x
  2. Step 2: Convert to fraction form
    1,630,314.90/2,428,578.21 = 1,603,487.70/x
  3. Step 3: Cross multiply
    1,630,314.90x = 2,428,578.21 × 1,603,487.70
  4. Step 4: Simplify right side
    1,630,314.90x = 3,894,195,288,223.02
  5. Step 5: Solve for x
    x = 3,894,195,288,223.02/1,630,314.90
  6. Step 6: Final answer
    x = 2,388,615.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.