Home / 2,110,356.50-2,912,294.53-1,143,486.03

Finding the Fourth Proportional to 2,110,356.50, 2,912,294.53 and 1,143,486.03

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Solution

The fourth proportional to 2,110,356.50, 2,912,294.53 and 1,143,486.03 is: 1,578,012.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110,356.50 : 2,912,294.53 = 1,143,486.03 : x
  2. Step 2: Convert to fraction form
    2,110,356.50/2,912,294.53 = 1,143,486.03/x
  3. Step 3: Cross multiply
    2,110,356.50x = 2,912,294.53 × 1,143,486.03
  4. Step 4: Simplify right side
    2,110,356.50x = 3,330,168,110,300.42
  5. Step 5: Solve for x
    x = 3,330,168,110,300.42/2,110,356.50
  6. Step 6: Final answer
    x = 1,578,012.11

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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.