Finding the Fourth Proportional to 1,657,663.84, 2,287,572.81 and 932,512.12
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Solution
The fourth proportional to 1,657,663.84, 2,287,572.81 and 932,512.12 is: 1,286,864.88
Step by Step Solution
- Step 1: Write the proportion equation
1,657,663.84 : 2,287,572.81 = 932,512.12 : x - Step 2: Convert to fraction form
1,657,663.84/2,287,572.81 = 932,512.12/x - Step 3: Cross multiply
1,657,663.84x = 2,287,572.81 × 932,512.12 - Step 4: Simplify right side
1,657,663.84x = 2,133,189,370,707.46 - Step 5: Solve for x
x = 2,133,189,370,707.46/1,657,663.84 - Step 6: Final answer
x = 1,286,864.88
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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.