Finding the Fourth Proportional to 1,471,728.18, 2,207,165.76 and 572,969.55
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Solution
The fourth proportional to 1,471,728.18, 2,207,165.76 and 572,969.55 is: 859,288.28
Step by Step Solution
- Step 1: Write the proportion equation
1,471,728.18 : 2,207,165.76 = 572,969.55 : x - Step 2: Convert to fraction form
1,471,728.18/2,207,165.76 = 572,969.55/x - Step 3: Cross multiply
1,471,728.18x = 2,207,165.76 × 572,969.55 - Step 4: Simplify right side
1,471,728.18x = 1,264,638,772,282.61 - Step 5: Solve for x
x = 1,264,638,772,282.61/1,471,728.18 - Step 6: Final answer
x = 859,288.28
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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.