Finding the Fourth Proportional to 5,251,724.20, 7,876,203.90 and 1,657,484.20
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Solution
The fourth proportional to 5,251,724.20, 7,876,203.90 and 1,657,484.20 is: 2,485,790.00
Step by Step Solution
- Step 1: Write the proportion equation
5,251,724.20 : 7,876,203.90 = 1,657,484.20 : x - Step 2: Convert to fraction form
5,251,724.20/7,876,203.90 = 1,657,484.20/x - Step 3: Cross multiply
5,251,724.20x = 7,876,203.90 × 1,657,484.20 - Step 4: Simplify right side
5,251,724.20x = 13,054,683,520,228.38 - Step 5: Solve for x
x = 13,054,683,520,228.38/5,251,724.20 - Step 6: Final answer
x = 2,485,790.00
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1.5x scale
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.