Finding the Fourth Proportional to 1,402,006.16, 1,935,414.36 and 821,148.68
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Solution
The fourth proportional to 1,402,006.16, 1,935,414.36 and 821,148.68 is: 1,133,563.46
Step by Step Solution
- Step 1: Write the proportion equation
1,402,006.16 : 1,935,414.36 = 821,148.68 : x - Step 2: Convert to fraction form
1,402,006.16/1,935,414.36 = 821,148.68/x - Step 3: Cross multiply
1,402,006.16x = 1,935,414.36 × 821,148.68 - Step 4: Simplify right side
1,402,006.16x = 1,589,262,946,967.05 - Step 5: Solve for x
x = 1,589,262,946,967.05/1,402,006.16 - Step 6: Final answer
x = 1,133,563.46
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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.