Finding the Fourth Proportional to 1,895,808.74, 2,616,221.85 and 1,131,845.90
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Solution
The fourth proportional to 1,895,808.74, 2,616,221.85 and 1,131,845.90 is: 1,561,950.80
Step by Step Solution
- Step 1: Write the proportion equation
1,895,808.74 : 2,616,221.85 = 1,131,845.90 : x - Step 2: Convert to fraction form
1,895,808.74/2,616,221.85 = 1,131,845.90/x - Step 3: Cross multiply
1,895,808.74x = 2,616,221.85 × 1,131,845.90 - Step 4: Simplify right side
1,895,808.74x = 2,961,159,974,412.92 - Step 5: Solve for x
x = 2,961,159,974,412.92/1,895,808.74 - Step 6: Final answer
x = 1,561,950.80
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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.