Home / 3,121,448.20-4,307,948.10-1,763,408.68

Finding the Fourth Proportional to 3,121,448.20, 4,307,948.10 and 1,763,408.68

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Solution

The fourth proportional to 3,121,448.20, 4,307,948.10 and 1,763,408.68 is: 2,433,701.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,448.20 : 4,307,948.10 = 1,763,408.68 : x
  2. Step 2: Convert to fraction form
    3,121,448.20/4,307,948.10 = 1,763,408.68/x
  3. Step 3: Cross multiply
    3,121,448.20x = 4,307,948.10 × 1,763,408.68
  4. Step 4: Simplify right side
    3,121,448.20x = 7,596,673,072,529.51
  5. Step 5: Solve for x
    x = 7,596,673,072,529.51/3,121,448.20
  6. Step 6: Final answer
    x = 2,433,701.47

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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.