Home / 6,821,041.87-9,412,707.24-3,880,582.10

Finding the Fourth Proportional to 6,821,041.87, 9,412,707.24 and 3,880,582.10

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Solution

The fourth proportional to 6,821,041.87, 9,412,707.24 and 3,880,582.10 is: 5,355,015.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821,041.87 : 9,412,707.24 = 3,880,582.10 : x
  2. Step 2: Convert to fraction form
    6,821,041.87/9,412,707.24 = 3,880,582.10/x
  3. Step 3: Cross multiply
    6,821,041.87x = 9,412,707.24 × 3,880,582.10
  4. Step 4: Simplify right side
    6,821,041.87x = 36,526,783,208,681.49
  5. Step 5: Solve for x
    x = 36,526,783,208,681.49/6,821,041.87
  6. Step 6: Final answer
    x = 5,355,015.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.