Home / 2,086,415.88-3,129,590.22-666,462.60

Finding the Fourth Proportional to 2,086,415.88, 3,129,590.22 and 666,462.60

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Solution

The fourth proportional to 2,086,415.88, 3,129,590.22 and 666,462.60 is: 999,683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,415.88 : 3,129,590.22 = 666,462.60 : x
  2. Step 2: Convert to fraction form
    2,086,415.88/3,129,590.22 = 666,462.60/x
  3. Step 3: Cross multiply
    2,086,415.88x = 3,129,590.22 × 666,462.60
  4. Step 4: Simplify right side
    2,086,415.88x = 2,085,754,834,955.77
  5. Step 5: Solve for x
    x = 2,085,754,834,955.77/2,086,415.88
  6. Step 6: Final answer
    x = 999,683.17

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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.