Finding the Fourth Proportional to 1,975,272.47, 2,726,097.22 and 1,115,888.08
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Solution
The fourth proportional to 1,975,272.47, 2,726,097.22 and 1,115,888.08 is: 1,540,050.52
Step by Step Solution
- Step 1: Write the proportion equation
1,975,272.47 : 2,726,097.22 = 1,115,888.08 : x - Step 2: Convert to fraction form
1,975,272.47/2,726,097.22 = 1,115,888.08/x - Step 3: Cross multiply
1,975,272.47x = 2,726,097.22 × 1,115,888.08 - Step 4: Simplify right side
1,975,272.47x = 3,042,019,392,719.14 - Step 5: Solve for x
x = 3,042,019,392,719.14/1,975,272.47 - Step 6: Final answer
x = 1,540,050.52
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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.