Finding the Fourth Proportional to 5,357,040.28, 7,392,769.30 and 2,909,699.19
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Solution
The fourth proportional to 5,357,040.28, 7,392,769.30 and 2,909,699.19 is: 4,015,414.05
Step by Step Solution
- Step 1: Write the proportion equation
5,357,040.28 : 7,392,769.30 = 2,909,699.19 : x - Step 2: Convert to fraction form
5,357,040.28/7,392,769.30 = 2,909,699.19/x - Step 3: Cross multiply
5,357,040.28x = 7,392,769.30 × 2,909,699.19 - Step 4: Simplify right side
5,357,040.28x = 21,510,734,829,518.37 - Step 5: Solve for x
x = 21,510,734,829,518.37/5,357,040.28 - Step 6: Final answer
x = 4,015,414.05
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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.