Finding the Fourth Proportional to 1,643,310.54, 2,267,752.95 and 918,283.14
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Solution
The fourth proportional to 1,643,310.54, 2,267,752.95 and 918,283.14 is: 1,267,222.02
Step by Step Solution
- Step 1: Write the proportion equation
1,643,310.54 : 2,267,752.95 = 918,283.14 : x - Step 2: Convert to fraction form
1,643,310.54/2,267,752.95 = 918,283.14/x - Step 3: Cross multiply
1,643,310.54x = 2,267,752.95 × 918,283.14 - Step 4: Simplify right side
1,643,310.54x = 2,082,439,299,670.26 - Step 5: Solve for x
x = 2,082,439,299,670.26/1,643,310.54 - Step 6: Final answer
x = 1,267,222.02
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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.