Home / 3,985,764.84-5,979,596.31-1,290,090.51

Finding the Fourth Proportional to 3,985,764.84, 5,979,596.31 and 1,290,090.51

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Solution

The fourth proportional to 3,985,764.84, 5,979,596.31 and 1,290,090.51 is: 1,935,442.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,764.84 : 5,979,596.31 = 1,290,090.51 : x
  2. Step 2: Convert to fraction form
    3,985,764.84/5,979,596.31 = 1,290,090.51/x
  3. Step 3: Cross multiply
    3,985,764.84x = 5,979,596.31 × 1,290,090.51
  4. Step 4: Simplify right side
    3,985,764.84x = 7,714,220,453,162.02
  5. Step 5: Solve for x
    x = 7,714,220,453,162.02/3,985,764.84
  6. Step 6: Final answer
    x = 1,935,442.95

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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.