Finding the Fourth Proportional to 5,897,471.20, 8,138,772.24 and 3,319,319.20
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Solution
The fourth proportional to 5,897,471.20, 8,138,772.24 and 3,319,319.20 is: 4,580,807.95
Step by Step Solution
- Step 1: Write the proportion equation
5,897,471.20 : 8,138,772.24 = 3,319,319.20 : x - Step 2: Convert to fraction form
5,897,471.20/8,138,772.24 = 3,319,319.20/x - Step 3: Cross multiply
5,897,471.20x = 8,138,772.24 × 3,319,319.20 - Step 4: Simplify right side
5,897,471.20x = 27,015,182,960,659.01 - Step 5: Solve for x
x = 27,015,182,960,659.01/5,897,471.20 - Step 6: Final answer
x = 4,580,807.95
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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.