Finding the Fourth Proportional to 2,087,466.48, 2,880,704.16 and 1,271,670.12
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Solution
The fourth proportional to 2,087,466.48, 2,880,704.16 and 1,271,670.12 is: 1,754,905.02
Step by Step Solution
- Step 1: Write the proportion equation
2,087,466.48 : 2,880,704.16 = 1,271,670.12 : x - Step 2: Convert to fraction form
2,087,466.48/2,880,704.16 = 1,271,670.12/x - Step 3: Cross multiply
2,087,466.48x = 2,880,704.16 × 1,271,670.12 - Step 4: Simplify right side
2,087,466.48x = 3,663,305,404,831.70 - Step 5: Solve for x
x = 3,663,305,404,831.70/2,087,466.48 - Step 6: Final answer
x = 1,754,905.02
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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.