Home / 2,688,106.41-4,030,759.67-1,267,781.13

Finding the Fourth Proportional to 2,688,106.41, 4,030,759.67 and 1,267,781.13

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Solution

The fourth proportional to 2,688,106.41, 4,030,759.67 and 1,267,781.13 is: 1,901,011.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,106.41 : 4,030,759.67 = 1,267,781.13 : x
  2. Step 2: Convert to fraction form
    2,688,106.41/4,030,759.67 = 1,267,781.13/x
  3. Step 3: Cross multiply
    2,688,106.41x = 4,030,759.67 × 1,267,781.13
  4. Step 4: Simplify right side
    2,688,106.41x = 5,110,121,042,852.12
  5. Step 5: Solve for x
    x = 5,110,121,042,852.12/2,688,106.41
  6. Step 6: Final answer
    x = 1,901,011.44

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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.