Home / 5,173,208.69-7,139,029.93-2,999,012.22

Finding the Fourth Proportional to 5,173,208.69, 7,139,029.93 and 2,999,012.22

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Solution

The fourth proportional to 5,173,208.69, 7,139,029.93 and 2,999,012.22 is: 4,138,637.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,208.69 : 7,139,029.93 = 2,999,012.22 : x
  2. Step 2: Convert to fraction form
    5,173,208.69/7,139,029.93 = 2,999,012.22/x
  3. Step 3: Cross multiply
    5,173,208.69x = 7,139,029.93 × 2,999,012.22
  4. Step 4: Simplify right side
    5,173,208.69x = 21,410,037,991,518.21
  5. Step 5: Solve for x
    x = 21,410,037,991,518.21/5,173,208.69
  6. Step 6: Final answer
    x = 4,138,637.99

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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.