Home / 2,083,178.47-2,873,628.81-1,211,915.29

Finding the Fourth Proportional to 2,083,178.47, 2,873,628.81 and 1,211,915.29

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Solution

The fourth proportional to 2,083,178.47, 2,873,628.81 and 1,211,915.29 is: 1,671,769.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083,178.47 : 2,873,628.81 = 1,211,915.29 : x
  2. Step 2: Convert to fraction form
    2,083,178.47/2,873,628.81 = 1,211,915.29/x
  3. Step 3: Cross multiply
    2,083,178.47x = 2,873,628.81 × 1,211,915.29
  4. Step 4: Simplify right side
    2,083,178.47x = 3,482,594,692,623.51
  5. Step 5: Solve for x
    x = 3,482,594,692,623.51/2,083,178.47
  6. Step 6: Final answer
    x = 1,671,769.72

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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.