Home / 1,932,865.22-2,668,688.42-1,208,038.74

Finding the Fourth Proportional to 1,932,865.22, 2,668,688.42 and 1,208,038.74

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Solution

The fourth proportional to 1,932,865.22, 2,668,688.42 and 1,208,038.74 is: 1,667,927.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,865.22 : 2,668,688.42 = 1,208,038.74 : x
  2. Step 2: Convert to fraction form
    1,932,865.22/2,668,688.42 = 1,208,038.74/x
  3. Step 3: Cross multiply
    1,932,865.22x = 2,668,688.42 × 1,208,038.74
  4. Step 4: Simplify right side
    1,932,865.22x = 3,223,878,990,309.20
  5. Step 5: Solve for x
    x = 3,223,878,990,309.20/1,932,865.22
  6. Step 6: Final answer
    x = 1,667,927.47

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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.