Home / 2,191,072.07-3,023,835.93-1,210,990.02

Finding the Fourth Proportional to 2,191,072.07, 3,023,835.93 and 1,210,990.02

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Solution

The fourth proportional to 2,191,072.07, 3,023,835.93 and 1,210,990.02 is: 1,671,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,072.07 : 3,023,835.93 = 1,210,990.02 : x
  2. Step 2: Convert to fraction form
    2,191,072.07/3,023,835.93 = 1,210,990.02/x
  3. Step 3: Cross multiply
    2,191,072.07x = 3,023,835.93 × 1,210,990.02
  4. Step 4: Simplify right side
    2,191,072.07x = 3,661,835,133,347.42
  5. Step 5: Solve for x
    x = 3,661,835,133,347.42/2,191,072.07
  6. Step 6: Final answer
    x = 1,671,252.71

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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.