Finding the Fourth Proportional to 1,793,939.44, 2,475,655.68 and 978,136.24
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Solution
The fourth proportional to 1,793,939.44, 2,475,655.68 and 978,136.24 is: 1,349,838.51
Step by Step Solution
- Step 1: Write the proportion equation
1,793,939.44 : 2,475,655.68 = 978,136.24 : x - Step 2: Convert to fraction form
1,793,939.44/2,475,655.68 = 978,136.24/x - Step 3: Cross multiply
1,793,939.44x = 2,475,655.68 × 978,136.24 - Step 4: Simplify right side
1,793,939.44x = 2,421,528,538,369.84 - Step 5: Solve for x
x = 2,421,528,538,369.84/1,793,939.44 - Step 6: Final answer
x = 1,349,838.51
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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.