Home / 6,669,989.58-10,005,980.83-2,121,186.77

Finding the Fourth Proportional to 6,669,989.58, 10,005,980.83 and 2,121,186.77

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Solution

The fourth proportional to 6,669,989.58, 10,005,980.83 and 2,121,186.77 is: 3,182,097.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669,989.58 : 10,005,980.83 = 2,121,186.77 : x
  2. Step 2: Convert to fraction form
    6,669,989.58/10,005,980.83 = 2,121,186.77/x
  3. Step 3: Cross multiply
    6,669,989.58x = 10,005,980.83 × 2,121,186.77
  4. Step 4: Simplify right side
    6,669,989.58x = 21,224,554,111,518.36
  5. Step 5: Solve for x
    x = 21,224,554,111,518.36/6,669,989.58
  6. Step 6: Final answer
    x = 3,182,097.04

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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.