Home / 1,939,599.16-2,676,455.21-1,080,239.38

Finding the Fourth Proportional to 1,939,599.16, 2,676,455.21 and 1,080,239.38

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Solution

The fourth proportional to 1,939,599.16, 2,676,455.21 and 1,080,239.38 is: 1,490,623.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,599.16 : 2,676,455.21 = 1,080,239.38 : x
  2. Step 2: Convert to fraction form
    1,939,599.16/2,676,455.21 = 1,080,239.38/x
  3. Step 3: Cross multiply
    1,939,599.16x = 2,676,455.21 × 1,080,239.38
  4. Step 4: Simplify right side
    1,939,599.16x = 2,891,212,312,657.63
  5. Step 5: Solve for x
    x = 2,891,212,312,657.63/1,939,599.16
  6. Step 6: Final answer
    x = 1,490,623.62

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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.