Home / 3,922,958.06-5,413,746.89-2,156,931.01

Finding the Fourth Proportional to 3,922,958.06, 5,413,746.89 and 2,156,931.01

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Solution

The fourth proportional to 3,922,958.06, 5,413,746.89 and 2,156,931.01 is: 2,976,600.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922,958.06 : 5,413,746.89 = 2,156,931.01 : x
  2. Step 2: Convert to fraction form
    3,922,958.06/5,413,746.89 = 2,156,931.01/x
  3. Step 3: Cross multiply
    3,922,958.06x = 5,413,746.89 × 2,156,931.01
  4. Step 4: Simplify right side
    3,922,958.06x = 11,677,078,509,478.67
  5. Step 5: Solve for x
    x = 11,677,078,509,478.67/3,922,958.06
  6. Step 6: Final answer
    x = 2,976,600.39

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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.