Home / 2,709,378.91-4,064,067.15-816,120.35

Finding the Fourth Proportional to 2,709,378.91, 4,064,067.15 and 816,120.35

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Solution

The fourth proportional to 2,709,378.91, 4,064,067.15 and 816,120.35 is: 1,224,180.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,378.91 : 4,064,067.15 = 816,120.35 : x
  2. Step 2: Convert to fraction form
    2,709,378.91/4,064,067.15 = 816,120.35/x
  3. Step 3: Cross multiply
    2,709,378.91x = 4,064,067.15 × 816,120.35
  4. Step 4: Simplify right side
    2,709,378.91x = 3,316,767,904,881.50
  5. Step 5: Solve for x
    x = 3,316,767,904,881.50/2,709,378.91
  6. Step 6: Final answer
    x = 1,224,180.16

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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.