Home / 2,980,048.75-4,470,739.47-1,086,790.18

Finding the Fourth Proportional to 2,980,048.75, 4,470,739.47 and 1,086,790.18

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Solution

The fourth proportional to 2,980,048.75, 4,470,739.47 and 1,086,790.18 is: 1,630,428.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,048.75 : 4,470,739.47 = 1,086,790.18 : x
  2. Step 2: Convert to fraction form
    2,980,048.75/4,470,739.47 = 1,086,790.18/x
  3. Step 3: Cross multiply
    2,980,048.75x = 4,470,739.47 × 1,086,790.18
  4. Step 4: Simplify right side
    2,980,048.75x = 4,858,755,753,334.40
  5. Step 5: Solve for x
    x = 4,858,755,753,334.40/2,980,048.75
  6. Step 6: Final answer
    x = 1,630,428.28

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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.