Home / 2,124,460.91-3,187,633.20-1,113,342.47

Finding the Fourth Proportional to 2,124,460.91, 3,187,633.20 and 1,113,342.47

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Solution

The fourth proportional to 2,124,460.91, 3,187,633.20 and 1,113,342.47 is: 1,670,507.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,460.91 : 3,187,633.20 = 1,113,342.47 : x
  2. Step 2: Convert to fraction form
    2,124,460.91/3,187,633.20 = 1,113,342.47/x
  3. Step 3: Cross multiply
    2,124,460.91x = 3,187,633.20 × 1,113,342.47
  4. Step 4: Simplify right side
    2,124,460.91x = 3,548,927,412,182.43
  5. Step 5: Solve for x
    x = 3,548,927,412,182.43/2,124,460.91
  6. Step 6: Final answer
    x = 1,670,507.28

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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.