Home / 2,107,568.89-2,908,515.90-1,291,615.26

Finding the Fourth Proportional to 2,107,568.89, 2,908,515.90 and 1,291,615.26

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Solution

The fourth proportional to 2,107,568.89, 2,908,515.90 and 1,291,615.26 is: 1,782,472.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,568.89 : 2,908,515.90 = 1,291,615.26 : x
  2. Step 2: Convert to fraction form
    2,107,568.89/2,908,515.90 = 1,291,615.26/x
  3. Step 3: Cross multiply
    2,107,568.89x = 2,908,515.90 × 1,291,615.26
  4. Step 4: Simplify right side
    2,107,568.89x = 3,756,683,520,392.63
  5. Step 5: Solve for x
    x = 3,756,683,520,392.63/2,107,568.89
  6. Step 6: Final answer
    x = 1,782,472.47

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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.