Finding the Fourth Proportional to 2,988,636.08, 4,124,635.56 and 1,827,761.49
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Solution
The fourth proportional to 2,988,636.08, 4,124,635.56 and 1,827,761.49 is: 2,522,505.20
Step by Step Solution
- Step 1: Write the proportion equation
2,988,636.08 : 4,124,635.56 = 1,827,761.49 : x - Step 2: Convert to fraction form
2,988,636.08/4,124,635.56 = 1,827,761.49/x - Step 3: Cross multiply
2,988,636.08x = 4,124,635.56 × 1,827,761.49 - Step 4: Simplify right side
2,988,636.08x = 7,538,850,036,852.58 - Step 5: Solve for x
x = 7,538,850,036,852.58/2,988,636.08 - Step 6: Final answer
x = 2,522,505.20
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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.