Home / 2,141,954.56-2,955,390.28-1,211,683.69

Finding the Fourth Proportional to 2,141,954.56, 2,955,390.28 and 1,211,683.69

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Solution

The fourth proportional to 2,141,954.56, 2,955,390.28 and 1,211,683.69 is: 1,671,836.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,954.56 : 2,955,390.28 = 1,211,683.69 : x
  2. Step 2: Convert to fraction form
    2,141,954.56/2,955,390.28 = 1,211,683.69/x
  3. Step 3: Cross multiply
    2,141,954.56x = 2,955,390.28 × 1,211,683.69
  4. Step 4: Simplify right side
    2,141,954.56x = 3,580,998,199,860.53
  5. Step 5: Solve for x
    x = 3,580,998,199,860.53/2,141,954.56
  6. Step 6: Final answer
    x = 1,671,836.68

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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.