Home / 1,354,029.72-2,018,939.21-1,316,828.85

Finding the Fourth Proportional to 1,354,029.72, 2,018,939.21 and 1,316,828.85

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Solution

The fourth proportional to 1,354,029.72, 2,018,939.21 and 1,316,828.85 is: 1,963,470.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,029.72 : 2,018,939.21 = 1,316,828.85 : x
  2. Step 2: Convert to fraction form
    1,354,029.72/2,018,939.21 = 1,316,828.85/x
  3. Step 3: Cross multiply
    1,354,029.72x = 2,018,939.21 × 1,316,828.85
  4. Step 4: Simplify right side
    1,354,029.72x = 2,658,597,391,540.06
  5. Step 5: Solve for x
    x = 2,658,597,391,540.06/1,354,029.72
  6. Step 6: Final answer
    x = 1,963,470.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.