Home / 2,182,336.86-3,011,718.34-1,215,467.40

Finding the Fourth Proportional to 2,182,336.86, 3,011,718.34 and 1,215,467.40

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Solution

The fourth proportional to 2,182,336.86, 3,011,718.34 and 1,215,467.40 is: 1,677,397.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,336.86 : 3,011,718.34 = 1,215,467.40 : x
  2. Step 2: Convert to fraction form
    2,182,336.86/3,011,718.34 = 1,215,467.40/x
  3. Step 3: Cross multiply
    2,182,336.86x = 3,011,718.34 × 1,215,467.40
  4. Step 4: Simplify right side
    2,182,336.86x = 3,660,645,460,252.12
  5. Step 5: Solve for x
    x = 3,660,645,460,252.12/2,182,336.86
  6. Step 6: Final answer
    x = 1,677,397.07

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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.