Finding the Fourth Proportional to 1,513,120.84, 2,088,094.16 and 824,780.16
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Solution
The fourth proportional to 1,513,120.84, 2,088,094.16 and 824,780.16 is: 1,138,189.75
Step by Step Solution
- Step 1: Write the proportion equation
1,513,120.84 : 2,088,094.16 = 824,780.16 : x - Step 2: Convert to fraction form
1,513,120.84/2,088,094.16 = 824,780.16/x - Step 3: Cross multiply
1,513,120.84x = 2,088,094.16 × 824,780.16 - Step 4: Simplify right side
1,513,120.84x = 1,722,218,635,379.87 - Step 5: Solve for x
x = 1,722,218,635,379.87/1,513,120.84 - Step 6: Final answer
x = 1,138,189.75
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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.