Home / 3,109,631.51-4,664,820.92-2,939,570.39

Finding the Fourth Proportional to 3,109,631.51, 4,664,820.92 and 2,939,570.39

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Solution

The fourth proportional to 3,109,631.51, 4,664,820.92 and 2,939,570.39 is: 4,409,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,631.51 : 4,664,820.92 = 2,939,570.39 : x
  2. Step 2: Convert to fraction form
    3,109,631.51/4,664,820.92 = 2,939,570.39/x
  3. Step 3: Cross multiply
    3,109,631.51x = 4,664,820.92 × 2,939,570.39
  4. Step 4: Simplify right side
    3,109,631.51x = 13,712,569,448,048.76
  5. Step 5: Solve for x
    x = 13,712,569,448,048.76/3,109,631.51
  6. Step 6: Final answer
    x = 4,409,708.80

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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.