Home / 3,742,712.22-5,164,936.74-2,111,114.51

Finding the Fourth Proportional to 3,742,712.22, 5,164,936.74 and 2,111,114.51

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Solution

The fourth proportional to 3,742,712.22, 5,164,936.74 and 2,111,114.51 is: 2,913,334.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742,712.22 : 5,164,936.74 = 2,111,114.51 : x
  2. Step 2: Convert to fraction form
    3,742,712.22/5,164,936.74 = 2,111,114.51/x
  3. Step 3: Cross multiply
    3,742,712.22x = 5,164,936.74 × 2,111,114.51
  4. Step 4: Simplify right side
    3,742,712.22x = 10,903,772,869,221.41
  5. Step 5: Solve for x
    x = 10,903,772,869,221.41/3,742,712.22
  6. Step 6: Final answer
    x = 2,913,334.56

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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.