Home / 2,148,138.01-2,964,426.14-1,230,664.15

Finding the Fourth Proportional to 2,148,138.01, 2,964,426.14 and 1,230,664.15

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Solution

The fourth proportional to 2,148,138.01, 2,964,426.14 and 1,230,664.15 is: 1,698,314.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,138.01 : 2,964,426.14 = 1,230,664.15 : x
  2. Step 2: Convert to fraction form
    2,148,138.01/2,964,426.14 = 1,230,664.15/x
  3. Step 3: Cross multiply
    2,148,138.01x = 2,964,426.14 × 1,230,664.15
  4. Step 4: Simplify right side
    2,148,138.01x = 3,648,212,954,845.43
  5. Step 5: Solve for x
    x = 3,648,212,954,845.43/2,148,138.01
  6. Step 6: Final answer
    x = 1,698,314.05

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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.