Finding the Fourth Proportional to 1,975,086.44, 2,725,841.13 and 1,115,702.03
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Solution
The fourth proportional to 1,975,086.44, 2,725,841.13 and 1,115,702.03 is: 1,539,794.11
Step by Step Solution
- Step 1: Write the proportion equation
1,975,086.44 : 2,725,841.13 = 1,115,702.03 : x - Step 2: Convert to fraction form
1,975,086.44/2,725,841.13 = 1,115,702.03/x - Step 3: Cross multiply
1,975,086.44x = 2,725,841.13 × 1,115,702.03 - Step 4: Simplify right side
1,975,086.44x = 3,041,226,468,569.29 - Step 5: Solve for x
x = 3,041,226,468,569.29/1,975,086.44 - Step 6: Final answer
x = 1,539,794.11
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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.