Finding the Fourth Proportional to 2,986,293, 4,479,455.97 and 742,431
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Solution
The fourth proportional to 2,986,293, 4,479,455.97 and 742,431 is: 1,113,650.59
Step by Step Solution
- Step 1: Write the proportion equation
2,986,293 : 4,479,455.97 = 742,431 : x - Step 2: Convert to fraction form
2,986,293/4,479,455.97 = 742,431/x - Step 3: Cross multiply
2,986,293x = 4,479,455.97 × 742,431 - Step 4: Simplify right side
2,986,293x = 3,325,686,975,263.07 - Step 5: Solve for x
x = 3,325,686,975,263.07/2,986,293 - Step 6: Final answer
x = 1,113,650.59
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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.