Home / 2,119,488-2,924,893.44-1,214,128.32

Finding the Fourth Proportional to 2,119,488, 2,924,893.44 and 1,214,128.32

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Solution

The fourth proportional to 2,119,488, 2,924,893.44 and 1,214,128.32 is: 1,675,497.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,488 : 2,924,893.44 = 1,214,128.32 : x
  2. Step 2: Convert to fraction form
    2,119,488/2,924,893.44 = 1,214,128.32/x
  3. Step 3: Cross multiply
    2,119,488x = 2,924,893.44 × 1,214,128.32
  4. Step 4: Simplify right side
    2,119,488x = 3,551,195,958,486.22
  5. Step 5: Solve for x
    x = 3,551,195,958,486.22/2,119,488
  6. Step 6: Final answer
    x = 1,675,497.08

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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.