Finding the Fourth Proportional to 2,858,129.28, 4,283,190 and 2,147,703.84
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Solution
The fourth proportional to 2,858,129.28, 4,283,190 and 2,147,703.84 is: 3,218,547.07
Step by Step Solution
- Step 1: Write the proportion equation
2,858,129.28 : 4,283,190 = 2,147,703.84 : x - Step 2: Convert to fraction form
2,858,129.28/4,283,190 = 2,147,703.84/x - Step 3: Cross multiply
2,858,129.28x = 4,283,190 × 2,147,703.84 - Step 4: Simplify right side
2,858,129.28x = 9,199,023,610,449.60 - Step 5: Solve for x
x = 9,199,023,610,449.60/2,858,129.28 - Step 6: Final answer
x = 3,218,547.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.