Finding the Fourth Proportional to 1,910,572.44, 2,636,589.88 and 1,051,114.26
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Solution
The fourth proportional to 1,910,572.44, 2,636,589.88 and 1,051,114.26 is: 1,450,537.63
Step by Step Solution
- Step 1: Write the proportion equation
1,910,572.44 : 2,636,589.88 = 1,051,114.26 : x - Step 2: Convert to fraction form
1,910,572.44/2,636,589.88 = 1,051,114.26/x - Step 3: Cross multiply
1,910,572.44x = 2,636,589.88 × 1,051,114.26 - Step 4: Simplify right side
1,910,572.44x = 2,771,357,220,639.69 - Step 5: Solve for x
x = 2,771,357,220,639.69/1,910,572.44 - Step 6: Final answer
x = 1,450,537.63
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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.