Finding the Fourth Proportional to 1,702,558.72, 2,349,549.21 and 938,639.62
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Solution
The fourth proportional to 1,702,558.72, 2,349,549.21 and 938,639.62 is: 1,295,332.70
Step by Step Solution
- Step 1: Write the proportion equation
1,702,558.72 : 2,349,549.21 = 938,639.62 : x - Step 2: Convert to fraction form
1,702,558.72/2,349,549.21 = 938,639.62/x - Step 3: Cross multiply
1,702,558.72x = 2,349,549.21 × 938,639.62 - Step 4: Simplify right side
1,702,558.72x = 2,205,379,977,645.70 - Step 5: Solve for x
x = 2,205,379,977,645.70/1,702,558.72 - Step 6: Final answer
x = 1,295,332.70
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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.