Finding the Fourth Proportional to 1,563,706.28, 2,157,898.14 and 875,383.79
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Solution
The fourth proportional to 1,563,706.28, 2,157,898.14 and 875,383.79 is: 1,208,020.38
Step by Step Solution
- Step 1: Write the proportion equation
1,563,706.28 : 2,157,898.14 = 875,383.79 : x - Step 2: Convert to fraction form
1,563,706.28/2,157,898.14 = 875,383.79/x - Step 3: Cross multiply
1,563,706.28x = 2,157,898.14 × 875,383.79 - Step 4: Simplify right side
1,563,706.28x = 1,888,989,052,227.15 - Step 5: Solve for x
x = 1,888,989,052,227.15/1,563,706.28 - Step 6: Final answer
x = 1,208,020.38
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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.