Finding the Fourth Proportional to 6,720,902.30, 10,081,353.45 and 2,233,178.30
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Solution
The fourth proportional to 6,720,902.30, 10,081,353.45 and 2,233,178.30 is: 3,349,767.45
Step by Step Solution
- Step 1: Write the proportion equation
6,720,902.30 : 10,081,353.45 = 2,233,178.30 : x - Step 2: Convert to fraction form
6,720,902.30/10,081,353.45 = 2,233,178.30/x - Step 3: Cross multiply
6,720,902.30x = 10,081,353.45 × 2,233,178.30 - Step 4: Simplify right side
6,720,902.30x = 22,513,459,759,170.13 - Step 5: Solve for x
x = 22,513,459,759,170.13/6,720,902.30 - Step 6: Final answer
x = 3,349,767.45
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Half scale
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Double scale
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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.