Home / 2,191,075.85-3,023,841.15-1,210,993.81

Finding the Fourth Proportional to 2,191,075.85, 3,023,841.15 and 1,210,993.81

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Solution

The fourth proportional to 2,191,075.85, 3,023,841.15 and 1,210,993.81 is: 1,671,257.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,075.85 : 3,023,841.15 = 1,210,993.81 : x
  2. Step 2: Convert to fraction form
    2,191,075.85/3,023,841.15 = 1,210,993.81/x
  3. Step 3: Cross multiply
    2,191,075.85x = 3,023,841.15 × 1,210,993.81
  4. Step 4: Simplify right side
    2,191,075.85x = 3,661,852,907,513.68
  5. Step 5: Solve for x
    x = 3,661,852,907,513.68/2,191,075.85
  6. Step 6: Final answer
    x = 1,671,257.94

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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.