Finding the Fourth Proportional to 2,628,772.31, 3,626,326.62 and 2,283,833.21
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Solution
The fourth proportional to 2,628,772.31, 3,626,326.62 and 2,283,833.21 is: 3,150,491.62
Step by Step Solution
- Step 1: Write the proportion equation
2,628,772.31 : 3,626,326.62 = 2,283,833.21 : x - Step 2: Convert to fraction form
2,628,772.31/3,626,326.62 = 2,283,833.21/x - Step 3: Cross multiply
2,628,772.31x = 3,626,326.62 × 2,283,833.21 - Step 4: Simplify right side
2,628,772.31x = 8,281,925,146,931.42 - Step 5: Solve for x
x = 8,281,925,146,931.42/2,628,772.31 - Step 6: Final answer
x = 3,150,491.62
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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.