Home / 2,879,643.61-3,973,884.54-1,572,896.47

Finding the Fourth Proportional to 2,879,643.61, 3,973,884.54 and 1,572,896.47

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Solution

The fourth proportional to 2,879,643.61, 3,973,884.54 and 1,572,896.47 is: 2,170,584.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879,643.61 : 3,973,884.54 = 1,572,896.47 : x
  2. Step 2: Convert to fraction form
    2,879,643.61/3,973,884.54 = 1,572,896.47/x
  3. Step 3: Cross multiply
    2,879,643.61x = 3,973,884.54 × 1,572,896.47
  4. Step 4: Simplify right side
    2,879,643.61x = 6,250,508,965,153.57
  5. Step 5: Solve for x
    x = 6,250,508,965,153.57/2,879,643.61
  6. Step 6: Final answer
    x = 2,170,584.22

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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.