Home / 2,716,809.40-4,075,214.10-1,919,647.90

Finding the Fourth Proportional to 2,716,809.40, 4,075,214.10 and 1,919,647.90

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Solution

The fourth proportional to 2,716,809.40, 4,075,214.10 and 1,919,647.90 is: 2,879,471.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716,809.40 : 4,075,214.10 = 1,919,647.90 : x
  2. Step 2: Convert to fraction form
    2,716,809.40/4,075,214.10 = 1,919,647.90/x
  3. Step 3: Cross multiply
    2,716,809.40x = 4,075,214.10 × 1,919,647.90
  4. Step 4: Simplify right side
    2,716,809.40x = 7,822,976,189,115.39
  5. Step 5: Solve for x
    x = 7,822,976,189,115.39/2,716,809.40
  6. Step 6: Final answer
    x = 2,879,471.85

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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.