Home / 3,214,577.40-4,820,114.10-970,423.80

Finding the Fourth Proportional to 3,214,577.40, 4,820,114.10 and 970,423.80

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Solution

The fourth proportional to 3,214,577.40, 4,820,114.10 and 970,423.80 is: 1,455,106.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214,577.40 : 4,820,114.10 = 970,423.80 : x
  2. Step 2: Convert to fraction form
    3,214,577.40/4,820,114.10 = 970,423.80/x
  3. Step 3: Cross multiply
    3,214,577.40x = 4,820,114.10 × 970,423.80
  4. Step 4: Simplify right side
    3,214,577.40x = 4,677,553,441,355.58
  5. Step 5: Solve for x
    x = 4,677,553,441,355.58/3,214,577.40
  6. Step 6: Final answer
    x = 1,455,106.80

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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.