Finding the Fourth Proportional to 1,975,022.63, 2,725,752.88 and 1,115,638.23
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Solution
The fourth proportional to 1,975,022.63, 2,725,752.88 and 1,115,638.23 is: 1,539,705.96
Step by Step Solution
- Step 1: Write the proportion equation
1,975,022.63 : 2,725,752.88 = 1,115,638.23 : x - Step 2: Convert to fraction form
1,975,022.63/2,725,752.88 = 1,115,638.23/x - Step 3: Cross multiply
1,975,022.63x = 2,725,752.88 × 1,115,638.23 - Step 4: Simplify right side
1,975,022.63x = 3,040,954,118,460.60 - Step 5: Solve for x
x = 3,040,954,118,460.60/1,975,022.63 - Step 6: Final answer
x = 1,539,705.96
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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.