Finding the Fourth Proportional to 1,663,271.70, 2,490,241.95 and 1,616,615.70
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Solution
The fourth proportional to 1,663,271.70, 2,490,241.95 and 1,616,615.70 is: 2,420,388.82
Step by Step Solution
- Step 1: Write the proportion equation
1,663,271.70 : 2,490,241.95 = 1,616,615.70 : x - Step 2: Convert to fraction form
1,663,271.70/2,490,241.95 = 1,616,615.70/x - Step 3: Cross multiply
1,663,271.70x = 2,490,241.95 × 1,616,615.70 - Step 4: Simplify right side
1,663,271.70x = 4,025,764,233,168.62 - Step 5: Solve for x
x = 4,025,764,233,168.62/1,663,271.70 - Step 6: Final answer
x = 2,420,388.82
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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.