Finding the Fourth Proportional to 4,185,902.34, 5,777,177.18 and 2,555,258.81
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Solution
The fourth proportional to 4,185,902.34, 5,777,177.18 and 2,555,258.81 is: 3,526,642.92
Step by Step Solution
- Step 1: Write the proportion equation
4,185,902.34 : 5,777,177.18 = 2,555,258.81 : x - Step 2: Convert to fraction form
4,185,902.34/5,777,177.18 = 2,555,258.81/x - Step 3: Cross multiply
4,185,902.34x = 5,777,177.18 × 2,555,258.81 - Step 4: Simplify right side
4,185,902.34x = 14,762,182,844,463.78 - Step 5: Solve for x
x = 14,762,182,844,463.78/4,185,902.34 - Step 6: Final answer
x = 3,526,642.92
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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.