Home / 1,927,985.45-2,889,136.38-1,073,881.29

Finding the Fourth Proportional to 1,927,985.45, 2,889,136.38 and 1,073,881.29

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Solution

The fourth proportional to 1,927,985.45, 2,889,136.38 and 1,073,881.29 is: 1,609,239.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,985.45 : 2,889,136.38 = 1,073,881.29 : x
  2. Step 2: Convert to fraction form
    1,927,985.45/2,889,136.38 = 1,073,881.29/x
  3. Step 3: Cross multiply
    1,927,985.45x = 2,889,136.38 × 1,073,881.29
  4. Step 4: Simplify right side
    1,927,985.45x = 3,102,589,502,740.33
  5. Step 5: Solve for x
    x = 3,102,589,502,740.33/1,927,985.45
  6. Step 6: Final answer
    x = 1,609,239.07

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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.