Finding the Fourth Proportional to 2,897,969.80, 4,347,455.75 and 978,894.99
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Solution
The fourth proportional to 2,897,969.80, 4,347,455.75 and 978,894.99 is: 1,468,511.72
Step by Step Solution
- Step 1: Write the proportion equation
2,897,969.80 : 4,347,455.75 = 978,894.99 : x - Step 2: Convert to fraction form
2,897,969.80/4,347,455.75 = 978,894.99/x - Step 3: Cross multiply
2,897,969.80x = 4,347,455.75 × 978,894.99 - Step 4: Simplify right side
2,897,969.80x = 4,255,702,626,289.94 - Step 5: Solve for x
x = 4,255,702,626,289.94/2,897,969.80 - Step 6: Final answer
x = 1,468,511.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.