Finding the Fourth Proportional to 1,513,169.05, 2,088,068.93 and 850,979.93
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Solution
The fourth proportional to 1,513,169.05, 2,088,068.93 and 850,979.93 is: 1,174,293.61
Step by Step Solution
- Step 1: Write the proportion equation
1,513,169.05 : 2,088,068.93 = 850,979.93 : x - Step 2: Convert to fraction form
1,513,169.05/2,088,068.93 = 850,979.93/x - Step 3: Cross multiply
1,513,169.05x = 2,088,068.93 × 850,979.93 - Step 4: Simplify right side
1,513,169.05x = 1,776,904,740,382.51 - Step 5: Solve for x
x = 1,776,904,740,382.51/1,513,169.05 - Step 6: Final answer
x = 1,174,293.61
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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.