Home / 4,685,831.13-7,020,722.82-2,557,408.71

Finding the Fourth Proportional to 4,685,831.13, 7,020,722.82 and 2,557,408.71

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Solution

The fourth proportional to 4,685,831.13, 7,020,722.82 and 2,557,408.71 is: 3,831,733.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685,831.13 : 7,020,722.82 = 2,557,408.71 : x
  2. Step 2: Convert to fraction form
    4,685,831.13/7,020,722.82 = 2,557,408.71/x
  3. Step 3: Cross multiply
    4,685,831.13x = 7,020,722.82 × 2,557,408.71
  4. Step 4: Simplify right side
    4,685,831.13x = 17,954,857,690,363.76
  5. Step 5: Solve for x
    x = 17,954,857,690,363.76/4,685,831.13
  6. Step 6: Final answer
    x = 3,831,733.84

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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.