Home / 3,471,903.40-5,207,855.10-947,813.80

Finding the Fourth Proportional to 3,471,903.40, 5,207,855.10 and 947,813.80

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Solution

The fourth proportional to 3,471,903.40, 5,207,855.10 and 947,813.80 is: 1,421,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471,903.40 : 5,207,855.10 = 947,813.80 : x
  2. Step 2: Convert to fraction form
    3,471,903.40/5,207,855.10 = 947,813.80/x
  3. Step 3: Cross multiply
    3,471,903.40x = 5,207,855.10 × 947,813.80
  4. Step 4: Simplify right side
    3,471,903.40x = 4,936,076,932,180.38
  5. Step 5: Solve for x
    x = 4,936,076,932,180.38/3,471,903.40
  6. Step 6: Final answer
    x = 1,421,720.70

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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.