Finding the Fourth Proportional to 3,427,429.24, 4,729,670.16 and 1,977,038.17
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Solution
The fourth proportional to 3,427,429.24, 4,729,670.16 and 1,977,038.17 is: 2,728,207.58
Step by Step Solution
- Step 1: Write the proportion equation
3,427,429.24 : 4,729,670.16 = 1,977,038.17 : x - Step 2: Convert to fraction form
3,427,429.24/4,729,670.16 = 1,977,038.17/x - Step 3: Cross multiply
3,427,429.24x = 4,729,670.16 × 1,977,038.17 - Step 4: Simplify right side
3,427,429.24x = 9,350,738,437,830.01 - Step 5: Solve for x
x = 9,350,738,437,830.01/3,427,429.24 - Step 6: Final answer
x = 2,728,207.58
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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.