Finding the Fourth Proportional to 2,176,717.99, 3,265,109.93 and 828,955.21
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Solution
The fourth proportional to 2,176,717.99, 3,265,109.93 and 828,955.21 is: 1,243,445.36
Step by Step Solution
- Step 1: Write the proportion equation
2,176,717.99 : 3,265,109.93 = 828,955.21 : x - Step 2: Convert to fraction form
2,176,717.99/3,265,109.93 = 828,955.21/x - Step 3: Cross multiply
2,176,717.99x = 3,265,109.93 × 828,955.21 - Step 4: Simplify right side
2,176,717.99x = 2,706,629,887,696.24 - Step 5: Solve for x
x = 2,706,629,887,696.24/2,176,717.99 - Step 6: Final answer
x = 1,243,445.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.