Home / 1,953,216.09-2,934,314.31-1,378,162.89

Finding the Fourth Proportional to 1,953,216.09, 2,934,314.31 and 1,378,162.89

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Solution

The fourth proportional to 1,953,216.09, 2,934,314.31 and 1,378,162.89 is: 2,070,412.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,216.09 : 2,934,314.31 = 1,378,162.89 : x
  2. Step 2: Convert to fraction form
    1,953,216.09/2,934,314.31 = 1,378,162.89/x
  3. Step 3: Cross multiply
    1,953,216.09x = 2,934,314.31 × 1,378,162.89
  4. Step 4: Simplify right side
    1,953,216.09x = 4,043,963,089,637.96
  5. Step 5: Solve for x
    x = 4,043,963,089,637.96/1,953,216.09
  6. Step 6: Final answer
    x = 2,070,412.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.