Finding the Fourth Proportional to 3,451,438.74, 5,177,158.11 and 1,055,283.42
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Solution
The fourth proportional to 3,451,438.74, 5,177,158.11 and 1,055,283.42 is: 1,582,925.13
Step by Step Solution
- Step 1: Write the proportion equation
3,451,438.74 : 5,177,158.11 = 1,055,283.42 : x - Step 2: Convert to fraction form
3,451,438.74/5,177,158.11 = 1,055,283.42/x - Step 3: Cross multiply
3,451,438.74x = 5,177,158.11 × 1,055,283.42 - Step 4: Simplify right side
3,451,438.74x = 5,463,369,116,201.54 - Step 5: Solve for x
x = 5,463,369,116,201.54/3,451,438.74 - Step 6: Final answer
x = 1,582,925.13
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Double scale
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Similar ratio
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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.