Finding the Fourth Proportional to 5,088,603.60, 7,632,905.40 and 2,247,253.20
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Solution
The fourth proportional to 5,088,603.60, 7,632,905.40 and 2,247,253.20 is: 3,370,879.80
Step by Step Solution
- Step 1: Write the proportion equation
5,088,603.60 : 7,632,905.40 = 2,247,253.20 : x - Step 2: Convert to fraction form
5,088,603.60/7,632,905.40 = 2,247,253.20/x - Step 3: Cross multiply
5,088,603.60x = 7,632,905.40 × 2,247,253.20 - Step 4: Simplify right side
5,088,603.60x = 17,153,071,085,447.28 - Step 5: Solve for x
x = 17,153,071,085,447.28/5,088,603.60 - Step 6: Final answer
x = 3,370,879.80
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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.