Finding the Fourth Proportional to 5,159,963.00, 7,120,753.52 and 2,836,895.09
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Solution
The fourth proportional to 5,159,963.00, 7,120,753.52 and 2,836,895.09 is: 3,914,917.74
Step by Step Solution
- Step 1: Write the proportion equation
5,159,963.00 : 7,120,753.52 = 2,836,895.09 : x - Step 2: Convert to fraction form
5,159,963.00/7,120,753.52 = 2,836,895.09/x - Step 3: Cross multiply
5,159,963.00x = 7,120,753.52 × 2,836,895.09 - Step 4: Simplify right side
5,159,963.00x = 20,200,830,648,199.97 - Step 5: Solve for x
x = 20,200,830,648,199.97/5,159,963.00 - Step 6: Final answer
x = 3,914,917.74
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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.