Home / 1,985,703.62-2,740,282.90-1,080,292.10

Finding the Fourth Proportional to 1,985,703.62, 2,740,282.90 and 1,080,292.10

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Solution

The fourth proportional to 1,985,703.62, 2,740,282.90 and 1,080,292.10 is: 1,490,809.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,703.62 : 2,740,282.90 = 1,080,292.10 : x
  2. Step 2: Convert to fraction form
    1,985,703.62/2,740,282.90 = 1,080,292.10/x
  3. Step 3: Cross multiply
    1,985,703.62x = 2,740,282.90 × 1,080,292.10
  4. Step 4: Simplify right side
    1,985,703.62x = 2,960,305,968,635.09
  5. Step 5: Solve for x
    x = 2,960,305,968,635.09/1,985,703.62
  6. Step 6: Final answer
    x = 1,490,809.57

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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.