Finding the Fourth Proportional to 2,226,316.07, 3,072,322.05 and 1,207,720.82
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Solution
The fourth proportional to 2,226,316.07, 3,072,322.05 and 1,207,720.82 is: 1,666,657.91
Step by Step Solution
- Step 1: Write the proportion equation
2,226,316.07 : 3,072,322.05 = 1,207,720.82 : x - Step 2: Convert to fraction form
2,226,316.07/3,072,322.05 = 1,207,720.82/x - Step 3: Cross multiply
2,226,316.07x = 3,072,322.05 × 1,207,720.82 - Step 4: Simplify right side
2,226,316.07x = 3,710,507,290,168.47 - Step 5: Solve for x
x = 3,710,507,290,168.47/2,226,316.07 - Step 6: Final answer
x = 1,666,657.91
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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.