Home / 1,609,974.81-2,221,718.27-921,623.85

Finding the Fourth Proportional to 1,609,974.81, 2,221,718.27 and 921,623.85

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Solution

The fourth proportional to 1,609,974.81, 2,221,718.27 and 921,623.85 is: 1,271,814.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,974.81 : 2,221,718.27 = 921,623.85 : x
  2. Step 2: Convert to fraction form
    1,609,974.81/2,221,718.27 = 921,623.85/x
  3. Step 3: Cross multiply
    1,609,974.81x = 2,221,718.27 × 921,623.85
  4. Step 4: Simplify right side
    1,609,974.81x = 2,047,588,541,004.62
  5. Step 5: Solve for x
    x = 2,047,588,541,004.62/1,609,974.81
  6. Step 6: Final answer
    x = 1,271,814.02

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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.