Finding the Fourth Proportional to 3,181,895.54, 4,391,160.46 and 1,875,202.73
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Solution
The fourth proportional to 3,181,895.54, 4,391,160.46 and 1,875,202.73 is: 2,587,864.99
Step by Step Solution
- Step 1: Write the proportion equation
3,181,895.54 : 4,391,160.46 = 1,875,202.73 : x - Step 2: Convert to fraction form
3,181,895.54/4,391,160.46 = 1,875,202.73/x - Step 3: Cross multiply
3,181,895.54x = 4,391,160.46 × 1,875,202.73 - Step 4: Simplify right side
3,181,895.54x = 8,234,316,096,983.38 - Step 5: Solve for x
x = 8,234,316,096,983.38/3,181,895.54 - Step 6: Final answer
x = 2,587,864.99
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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.