Home / 2,130,437.65-3,196,105.84-691,009.27

Finding the Fourth Proportional to 2,130,437.65, 3,196,105.84 and 691,009.27

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Solution

The fourth proportional to 2,130,437.65, 3,196,105.84 and 691,009.27 is: 1,036,659.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,437.65 : 3,196,105.84 = 691,009.27 : x
  2. Step 2: Convert to fraction form
    2,130,437.65/3,196,105.84 = 691,009.27/x
  3. Step 3: Cross multiply
    2,130,437.65x = 3,196,105.84 × 691,009.27
  4. Step 4: Simplify right side
    2,130,437.65x = 2,208,538,749,776.65
  5. Step 5: Solve for x
    x = 2,208,538,749,776.65/2,130,437.65
  6. Step 6: Final answer
    x = 1,036,659.65

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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.