Finding the Fourth Proportional to 1,973,691.77, 2,723,640.59 and 1,114,331.99
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Solution
The fourth proportional to 1,973,691.77, 2,723,640.59 and 1,114,331.99 is: 1,537,747.63
Step by Step Solution
- Step 1: Write the proportion equation
1,973,691.77 : 2,723,640.59 = 1,114,331.99 : x - Step 2: Convert to fraction form
1,973,691.77/2,723,640.59 = 1,114,331.99/x - Step 3: Cross multiply
1,973,691.77x = 2,723,640.59 × 1,114,331.99 - Step 4: Simplify right side
1,973,691.77x = 3,035,039,827,867.10 - Step 5: Solve for x
x = 3,035,039,827,867.10/1,973,691.77 - Step 6: Final answer
x = 1,537,747.63
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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.