Home / 3,078,029.21-4,616,824.84-947,891.21

Finding the Fourth Proportional to 3,078,029.21, 4,616,824.84 and 947,891.21

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Solution

The fourth proportional to 3,078,029.21, 4,616,824.84 and 947,891.21 is: 1,421,769.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,029.21 : 4,616,824.84 = 947,891.21 : x
  2. Step 2: Convert to fraction form
    3,078,029.21/4,616,824.84 = 947,891.21/x
  3. Step 3: Cross multiply
    3,078,029.21x = 4,616,824.84 × 947,891.21
  4. Step 4: Simplify right side
    3,078,029.21x = 4,376,247,683,945.66
  5. Step 5: Solve for x
    x = 4,376,247,683,945.66/3,078,029.21
  6. Step 6: Final answer
    x = 1,421,769.38

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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.