Finding the Fourth Proportional to 6,243,036.70, 9,364,555.05 and 1,755,312.70
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Solution
The fourth proportional to 6,243,036.70, 9,364,555.05 and 1,755,312.70 is: 2,632,969.05
Step by Step Solution
- Step 1: Write the proportion equation
6,243,036.70 : 9,364,555.05 = 1,755,312.70 : x - Step 2: Convert to fraction form
6,243,036.70/9,364,555.05 = 1,755,312.70/x - Step 3: Cross multiply
6,243,036.70x = 9,364,555.05 × 1,755,312.70 - Step 4: Simplify right side
6,243,036.70x = 16,437,722,409,114.14 - Step 5: Solve for x
x = 16,437,722,409,114.14/6,243,036.70 - Step 6: Final answer
x = 2,632,969.05
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.