Finding the Fourth Proportional to 2,648,343.09, 3,972,551.55 and 755,084.53
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Solution
The fourth proportional to 2,648,343.09, 3,972,551.55 and 755,084.53 is: 1,132,637.32
Step by Step Solution
- Step 1: Write the proportion equation
2,648,343.09 : 3,972,551.55 = 755,084.53 : x - Step 2: Convert to fraction form
2,648,343.09/3,972,551.55 = 755,084.53/x - Step 3: Cross multiply
2,648,343.09x = 3,972,551.55 × 755,084.53 - Step 4: Simplify right side
2,648,343.09x = 2,999,612,222,166.64 - Step 5: Solve for x
x = 2,999,612,222,166.64/2,648,343.09 - Step 6: Final answer
x = 1,132,637.32
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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.