Home / 2,666,934.51-3,680,434.43-1,521,121.47

Finding the Fourth Proportional to 2,666,934.51, 3,680,434.43 and 1,521,121.47

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Solution

The fourth proportional to 2,666,934.51, 3,680,434.43 and 1,521,121.47 is: 2,099,184.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,934.51 : 3,680,434.43 = 1,521,121.47 : x
  2. Step 2: Convert to fraction form
    2,666,934.51/3,680,434.43 = 1,521,121.47/x
  3. Step 3: Cross multiply
    2,666,934.51x = 3,680,434.43 × 1,521,121.47
  4. Step 4: Simplify right side
    2,666,934.51x = 5,598,387,830,400.21
  5. Step 5: Solve for x
    x = 5,598,387,830,400.21/2,666,934.51
  6. Step 6: Final answer
    x = 2,099,184.59

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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.