Finding the Fourth Proportional to 5,012,264.21, 6,915,739.12 and 2,836,807.36
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Solution
The fourth proportional to 5,012,264.21, 6,915,739.12 and 2,836,807.36 is: 3,914,123.20
Step by Step Solution
- Step 1: Write the proportion equation
5,012,264.21 : 6,915,739.12 = 2,836,807.36 : x - Step 2: Convert to fraction form
5,012,264.21/6,915,739.12 = 2,836,807.36/x - Step 3: Cross multiply
5,012,264.21x = 6,915,739.12 × 2,836,807.36 - Step 4: Simplify right side
5,012,264.21x = 19,618,619,657,954.11 - Step 5: Solve for x
x = 19,618,619,657,954.11/5,012,264.21 - Step 6: Final answer
x = 3,914,123.20
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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.