Finding the Fourth Proportional to 5,357,134.16, 7,392,899.40 and 2,909,793
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Solution
The fourth proportional to 5,357,134.16, 7,392,899.40 and 2,909,793 is: 4,015,543.81
Step by Step Solution
- Step 1: Write the proportion equation
5,357,134.16 : 7,392,899.40 = 2,909,793 : x - Step 2: Convert to fraction form
5,357,134.16/7,392,899.40 = 2,909,793/x - Step 3: Cross multiply
5,357,134.16x = 7,392,899.40 × 2,909,793 - Step 4: Simplify right side
5,357,134.16x = 21,511,806,923,824.20 - Step 5: Solve for x
x = 21,511,806,923,824.20/5,357,134.16 - Step 6: Final answer
x = 4,015,543.81
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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.