Finding the Fourth Proportional to 1,548,160.57, 2,136,463.74 and 869,101.93
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Solution
The fourth proportional to 1,548,160.57, 2,136,463.74 and 869,101.93 is: 1,199,361.87
Step by Step Solution
- Step 1: Write the proportion equation
1,548,160.57 : 2,136,463.74 = 869,101.93 : x - Step 2: Convert to fraction form
1,548,160.57/2,136,463.74 = 869,101.93/x - Step 3: Cross multiply
1,548,160.57x = 2,136,463.74 × 869,101.93 - Step 4: Simplify right side
1,548,160.57x = 1,856,804,759,809.02 - Step 5: Solve for x
x = 1,856,804,759,809.02/1,548,160.57 - Step 6: Final answer
x = 1,199,361.87
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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.