Home / 4,679,810.20-7,019,715.30-1,313,579.80

Finding the Fourth Proportional to 4,679,810.20, 7,019,715.30 and 1,313,579.80

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Solution

The fourth proportional to 4,679,810.20, 7,019,715.30 and 1,313,579.80 is: 1,970,369.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679,810.20 : 7,019,715.30 = 1,313,579.80 : x
  2. Step 2: Convert to fraction form
    4,679,810.20/7,019,715.30 = 1,313,579.80/x
  3. Step 3: Cross multiply
    4,679,810.20x = 7,019,715.30 × 1,313,579.80
  4. Step 4: Simplify right side
    4,679,810.20x = 9,220,956,219,830.94
  5. Step 5: Solve for x
    x = 9,220,956,219,830.94/4,679,810.20
  6. Step 6: Final answer
    x = 1,970,369.70

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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.