Finding the Fourth Proportional to 1,212,051.47, 1,818,612.74 and 635,537.07
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Solution
The fourth proportional to 1,212,051.47, 1,818,612.74 and 635,537.07 is: 953,586.42
Step by Step Solution
- Step 1: Write the proportion equation
1,212,051.47 : 1,818,612.74 = 635,537.07 : x - Step 2: Convert to fraction form
1,212,051.47/1,818,612.74 = 635,537.07/x - Step 3: Cross multiply
1,212,051.47x = 1,818,612.74 × 635,537.07 - Step 4: Simplify right side
1,212,051.47x = 1,155,795,813,833.11 - Step 5: Solve for x
x = 1,155,795,813,833.11/1,212,051.47 - Step 6: Final answer
x = 953,586.42
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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.