Home / 1,782,728.05-2,461,117.89-1,394,718.72

Finding the Fourth Proportional to 1,782,728.05, 2,461,117.89 and 1,394,718.72

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Solution

The fourth proportional to 1,782,728.05, 2,461,117.89 and 1,394,718.72 is: 1,925,457.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,728.05 : 2,461,117.89 = 1,394,718.72 : x
  2. Step 2: Convert to fraction form
    1,782,728.05/2,461,117.89 = 1,394,718.72/x
  3. Step 3: Cross multiply
    1,782,728.05x = 2,461,117.89 × 1,394,718.72
  4. Step 4: Simplify right side
    1,782,728.05x = 3,432,567,193,309.90
  5. Step 5: Solve for x
    x = 3,432,567,193,309.90/1,782,728.05
  6. Step 6: Final answer
    x = 1,925,457.56

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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.