Finding the Fourth Proportional to 4,775,724.80, 7,163,587.20 and 2,384,240.30
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Solution
The fourth proportional to 4,775,724.80, 7,163,587.20 and 2,384,240.30 is: 3,576,360.45
Step by Step Solution
- Step 1: Write the proportion equation
4,775,724.80 : 7,163,587.20 = 2,384,240.30 : x - Step 2: Convert to fraction form
4,775,724.80/7,163,587.20 = 2,384,240.30/x - Step 3: Cross multiply
4,775,724.80x = 7,163,587.20 × 2,384,240.30 - Step 4: Simplify right side
4,775,724.80x = 17,079,713,294,804.16 - Step 5: Solve for x
x = 17,079,713,294,804.16/4,775,724.80 - Step 6: Final answer
x = 3,576,360.45
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Similar ratio
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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.