Home / 3,315,980.70-4,971,346.65-1,820,072.70

Finding the Fourth Proportional to 3,315,980.70, 4,971,346.65 and 1,820,072.70

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Solution

The fourth proportional to 3,315,980.70, 4,971,346.65 and 1,820,072.70 is: 2,728,668.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,980.70 : 4,971,346.65 = 1,820,072.70 : x
  2. Step 2: Convert to fraction form
    3,315,980.70/4,971,346.65 = 1,820,072.70/x
  3. Step 3: Cross multiply
    3,315,980.70x = 4,971,346.65 × 1,820,072.70
  4. Step 4: Simplify right side
    3,315,980.70x = 9,048,212,319,901.46
  5. Step 5: Solve for x
    x = 9,048,212,319,901.46/3,315,980.70
  6. Step 6: Final answer
    x = 2,728,668.57

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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.