Finding the Fourth Proportional to 5,484,724.92, 7,567,980.48 and 3,420,388.08
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Solution
The fourth proportional to 5,484,724.92, 7,567,980.48 and 3,420,388.08 is: 4,719,549.40
Step by Step Solution
- Step 1: Write the proportion equation
5,484,724.92 : 7,567,980.48 = 3,420,388.08 : x - Step 2: Convert to fraction form
5,484,724.92/7,567,980.48 = 3,420,388.08/x - Step 3: Cross multiply
5,484,724.92x = 7,567,980.48 × 3,420,388.08 - Step 4: Simplify right side
5,484,724.92x = 25,885,430,223,464.68 - Step 5: Solve for x
x = 25,885,430,223,464.68/5,484,724.92 - Step 6: Final answer
x = 4,719,549.40
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1.5x scale
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.