Home / 2,817,091.71-3,887,639.55-1,728,818.64

Finding the Fourth Proportional to 2,817,091.71, 3,887,639.55 and 1,728,818.64

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Solution

The fourth proportional to 2,817,091.71, 3,887,639.55 and 1,728,818.64 is: 2,385,802.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817,091.71 : 3,887,639.55 = 1,728,818.64 : x
  2. Step 2: Convert to fraction form
    2,817,091.71/3,887,639.55 = 1,728,818.64/x
  3. Step 3: Cross multiply
    2,817,091.71x = 3,887,639.55 × 1,728,818.64
  4. Step 4: Simplify right side
    2,817,091.71x = 6,721,023,719,641.21
  5. Step 5: Solve for x
    x = 6,721,023,719,641.21/2,817,091.71
  6. Step 6: Final answer
    x = 2,385,802.24

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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.