Finding the Fourth Proportional to 3,813,350.94, 5,261,143.59 and 2,159,272.62
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Solution
The fourth proportional to 3,813,350.94, 5,261,143.59 and 2,159,272.62 is: 2,979,071.03
Step by Step Solution
- Step 1: Write the proportion equation
3,813,350.94 : 5,261,143.59 = 2,159,272.62 : x - Step 2: Convert to fraction form
3,813,350.94/5,261,143.59 = 2,159,272.62/x - Step 3: Cross multiply
3,813,350.94x = 5,261,143.59 × 2,159,272.62 - Step 4: Simplify right side
3,813,350.94x = 11,360,243,303,775.51 - Step 5: Solve for x
x = 11,360,243,303,775.51/3,813,350.94 - Step 6: Final answer
x = 2,979,071.03
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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.