Home / 3,920,666.60-5,880,999.90-3,290,810.60

Finding the Fourth Proportional to 3,920,666.60, 5,880,999.90 and 3,290,810.60

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Solution

The fourth proportional to 3,920,666.60, 5,880,999.90 and 3,290,810.60 is: 4,936,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,666.60 : 5,880,999.90 = 3,290,810.60 : x
  2. Step 2: Convert to fraction form
    3,920,666.60/5,880,999.90 = 3,290,810.60/x
  3. Step 3: Cross multiply
    3,920,666.60x = 5,880,999.90 × 3,290,810.60
  4. Step 4: Simplify right side
    3,920,666.60x = 19,353,256,809,518.94
  5. Step 5: Solve for x
    x = 19,353,256,809,518.94/3,920,666.60
  6. Step 6: Final answer
    x = 4,936,215.90

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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.