Home / 1,919,583.15-2,879,900.72-839,899.97

Finding the Fourth Proportional to 1,919,583.15, 2,879,900.72 and 839,899.97

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Solution

The fourth proportional to 1,919,583.15, 2,879,900.72 and 839,899.97 is: 1,260,080.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,583.15 : 2,879,900.72 = 839,899.97 : x
  2. Step 2: Convert to fraction form
    1,919,583.15/2,879,900.72 = 839,899.97/x
  3. Step 3: Cross multiply
    1,919,583.15x = 2,879,900.72 × 839,899.97
  4. Step 4: Simplify right side
    1,919,583.15x = 2,418,828,528,330.98
  5. Step 5: Solve for x
    x = 2,418,828,528,330.98/1,919,583.15
  6. Step 6: Final answer
    x = 1,260,080.10

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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.