Finding the Fourth Proportional to 1,513,091.91, 2,088,003.99 and 824,748.62
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Solution
The fourth proportional to 1,513,091.91, 2,088,003.99 and 824,748.62 is: 1,138,118.85
Step by Step Solution
- Step 1: Write the proportion equation
1,513,091.91 : 2,088,003.99 = 824,748.62 : x - Step 2: Convert to fraction form
1,513,091.91/2,088,003.99 = 824,748.62/x - Step 3: Cross multiply
1,513,091.91x = 2,088,003.99 × 824,748.62 - Step 4: Simplify right side
1,513,091.91x = 1,722,078,417,619.81 - Step 5: Solve for x
x = 1,722,078,417,619.81/1,513,091.91 - Step 6: Final answer
x = 1,138,118.85
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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.