Finding the Fourth Proportional to 2,124,119.80, 3,185,272.50 and 986,179.96
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Solution
The fourth proportional to 2,124,119.80, 3,185,272.50 and 986,179.96 is: 1,478,848.75
Step by Step Solution
- Step 1: Write the proportion equation
2,124,119.80 : 3,185,272.50 = 986,179.96 : x - Step 2: Convert to fraction form
2,124,119.80/3,185,272.50 = 986,179.96/x - Step 3: Cross multiply
2,124,119.80x = 3,185,272.50 × 986,179.96 - Step 4: Simplify right side
2,124,119.80x = 3,141,251,906,639.10 - Step 5: Solve for x
x = 3,141,251,906,639.10/2,124,119.80 - Step 6: Final answer
x = 1,478,848.75
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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.