Home / 1,983,721.91-2,973,092.40-1,072,868.07

Finding the Fourth Proportional to 1,983,721.91, 2,973,092.40 and 1,072,868.07

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Solution

The fourth proportional to 1,983,721.91, 2,973,092.40 and 1,072,868.07 is: 1,607,955.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,721.91 : 2,973,092.40 = 1,072,868.07 : x
  2. Step 2: Convert to fraction form
    1,983,721.91/2,973,092.40 = 1,072,868.07/x
  3. Step 3: Cross multiply
    1,983,721.91x = 2,973,092.40 × 1,072,868.07
  4. Step 4: Simplify right side
    1,983,721.91x = 3,189,735,905,119.67
  5. Step 5: Solve for x
    x = 3,189,735,905,119.67/1,983,721.91
  6. Step 6: Final answer
    x = 1,607,955.18

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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.