Finding the Fourth Proportional to 1,827,761.84, 2,521,975.19 and 1,053,284.09
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Solution
The fourth proportional to 1,827,761.84, 2,521,975.19 and 1,053,284.09 is: 1,453,338.32
Step by Step Solution
- Step 1: Write the proportion equation
1,827,761.84 : 2,521,975.19 = 1,053,284.09 : x - Step 2: Convert to fraction form
1,827,761.84/2,521,975.19 = 1,053,284.09/x - Step 3: Cross multiply
1,827,761.84x = 2,521,975.19 × 1,053,284.09 - Step 4: Simplify right side
1,827,761.84x = 2,656,356,325,125.43 - Step 5: Solve for x
x = 2,656,356,325,125.43/1,827,761.84 - Step 6: Final answer
x = 1,453,338.32
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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.