Finding the Fourth Proportional to 1,526,581.08, 2,300,844.49 and 1,315,891.98
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Solution
The fourth proportional to 1,526,581.08, 2,300,844.49 and 1,315,891.98 is: 1,983,296.43
Step by Step Solution
- Step 1: Write the proportion equation
1,526,581.08 : 2,300,844.49 = 1,315,891.98 : x - Step 2: Convert to fraction form
1,526,581.08/2,300,844.49 = 1,315,891.98/x - Step 3: Cross multiply
1,526,581.08x = 2,300,844.49 × 1,315,891.98 - Step 4: Simplify right side
1,526,581.08x = 3,027,662,808,328.46 - Step 5: Solve for x
x = 3,027,662,808,328.46/1,526,581.08 - Step 6: Final answer
x = 1,983,296.43
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.