Finding the Fourth Proportional to 1,553,657.92, 2,144,088.48 and 874,619.20
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Solution
The fourth proportional to 1,553,657.92, 2,144,088.48 and 874,619.20 is: 1,206,997.32
Step by Step Solution
- Step 1: Write the proportion equation
1,553,657.92 : 2,144,088.48 = 874,619.20 : x - Step 2: Convert to fraction form
1,553,657.92/2,144,088.48 = 874,619.20/x - Step 3: Cross multiply
1,553,657.92x = 2,144,088.48 × 874,619.20 - Step 4: Simplify right side
1,553,657.92x = 1,875,260,951,106.82 - Step 5: Solve for x
x = 1,875,260,951,106.82/1,553,657.92 - Step 6: Final answer
x = 1,206,997.32
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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.