Home / 2,886,148-3,982,612.94-1,953,959.40

Finding the Fourth Proportional to 2,886,148, 3,982,612.94 and 1,953,959.40

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Solution

The fourth proportional to 2,886,148, 3,982,612.94 and 1,953,959.40 is: 2,696,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886,148 : 3,982,612.94 = 1,953,959.40 : x
  2. Step 2: Convert to fraction form
    2,886,148/3,982,612.94 = 1,953,959.40/x
  3. Step 3: Cross multiply
    2,886,148x = 3,982,612.94 × 1,953,959.40
  4. Step 4: Simplify right side
    2,886,148x = 7,781,863,990,674.64
  5. Step 5: Solve for x
    x = 7,781,863,990,674.64/2,886,148
  6. Step 6: Final answer
    x = 2,696,280.30

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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.