Finding the Fourth Proportional to 1,539,616.43, 2,124,632.97 and 851,270.15
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Solution
The fourth proportional to 1,539,616.43, 2,124,632.97 and 851,270.15 is: 1,174,731.96
Step by Step Solution
- Step 1: Write the proportion equation
1,539,616.43 : 2,124,632.97 = 851,270.15 : x - Step 2: Convert to fraction form
1,539,616.43/2,124,632.97 = 851,270.15/x - Step 3: Cross multiply
1,539,616.43x = 2,124,632.97 × 851,270.15 - Step 4: Simplify right side
1,539,616.43x = 1,808,636,627,066.85 - Step 5: Solve for x
x = 1,808,636,627,066.85/1,539,616.43 - Step 6: Final answer
x = 1,174,731.96
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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.