Finding the Fourth Proportional to 2,212,572.47, 3,319,372.11 and 696,215.99
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Solution
The fourth proportional to 2,212,572.47, 3,319,372.11 and 696,215.99 is: 1,044,485.53
Step by Step Solution
- Step 1: Write the proportion equation
2,212,572.47 : 3,319,372.11 = 696,215.99 : x - Step 2: Convert to fraction form
2,212,572.47/3,319,372.11 = 696,215.99/x - Step 3: Cross multiply
2,212,572.47x = 3,319,372.11 × 696,215.99 - Step 4: Simplify right side
2,212,572.47x = 2,310,999,923,145.18 - Step 5: Solve for x
x = 2,310,999,923,145.18/2,212,572.47 - Step 6: Final answer
x = 1,044,485.53
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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.