Home / 3,842,718.40-5,302,990.72-2,100,437.52

Finding the Fourth Proportional to 3,842,718.40, 5,302,990.72 and 2,100,437.52

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Solution

The fourth proportional to 3,842,718.40, 5,302,990.72 and 2,100,437.52 is: 2,898,625.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842,718.40 : 5,302,990.72 = 2,100,437.52 : x
  2. Step 2: Convert to fraction form
    3,842,718.40/5,302,990.72 = 2,100,437.52/x
  3. Step 3: Cross multiply
    3,842,718.40x = 5,302,990.72 × 2,100,437.52
  4. Step 4: Simplify right side
    3,842,718.40x = 11,138,600,676,499.81
  5. Step 5: Solve for x
    x = 11,138,600,676,499.81/3,842,718.40
  6. Step 6: Final answer
    x = 2,898,625.27

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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.