Finding the Fourth Proportional to 1,577,634.36, 2,177,308.44 and 915,492.12
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Solution
The fourth proportional to 1,577,634.36, 2,177,308.44 and 915,492.12 is: 1,263,479.53
Step by Step Solution
- Step 1: Write the proportion equation
1,577,634.36 : 2,177,308.44 = 915,492.12 : x - Step 2: Convert to fraction form
1,577,634.36/2,177,308.44 = 915,492.12/x - Step 3: Cross multiply
1,577,634.36x = 2,177,308.44 × 915,492.12 - Step 4: Simplify right side
1,577,634.36x = 1,993,308,719,629.49 - Step 5: Solve for x
x = 1,993,308,719,629.49/1,577,634.36 - Step 6: Final answer
x = 1,263,479.53
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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.