Finding the Fourth Proportional to 1,910,580.24, 2,636,600.64 and 1,051,122.08
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Solution
The fourth proportional to 1,910,580.24, 2,636,600.64 and 1,051,122.08 is: 1,450,548.42
Step by Step Solution
- Step 1: Write the proportion equation
1,910,580.24 : 2,636,600.64 = 1,051,122.08 : x - Step 2: Convert to fraction form
1,910,580.24/2,636,600.64 = 1,051,122.08/x - Step 3: Cross multiply
1,910,580.24x = 2,636,600.64 × 1,051,122.08 - Step 4: Simplify right side
1,910,580.24x = 2,771,389,148,846.13 - Step 5: Solve for x
x = 2,771,389,148,846.13/1,910,580.24 - Step 6: Final answer
x = 1,450,548.42
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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.