Home / 5,261,071.84-7,891,514.28-1,666,745.36

Finding the Fourth Proportional to 5,261,071.84, 7,891,514.28 and 1,666,745.36

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Solution

The fourth proportional to 5,261,071.84, 7,891,514.28 and 1,666,745.36 is: 2,500,088.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261,071.84 : 7,891,514.28 = 1,666,745.36 : x
  2. Step 2: Convert to fraction form
    5,261,071.84/7,891,514.28 = 1,666,745.36/x
  3. Step 3: Cross multiply
    5,261,071.84x = 7,891,514.28 × 1,666,745.36
  4. Step 4: Simplify right side
    5,261,071.84x = 13,153,144,809,563.74
  5. Step 5: Solve for x
    x = 13,153,144,809,563.74/5,261,071.84
  6. Step 6: Final answer
    x = 2,500,088.42

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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.