Finding the Fourth Proportional to 2,881,841.94, 3,977,322.03 and 2,787,206.79
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Solution
The fourth proportional to 2,881,841.94, 3,977,322.03 and 2,787,206.79 is: 3,846,713.04
Step by Step Solution
- Step 1: Write the proportion equation
2,881,841.94 : 3,977,322.03 = 2,787,206.79 : x - Step 2: Convert to fraction form
2,881,841.94/3,977,322.03 = 2,787,206.79/x - Step 3: Cross multiply
2,881,841.94x = 3,977,322.03 × 2,787,206.79 - Step 4: Simplify right side
2,881,841.94x = 11,085,618,968,032.58 - Step 5: Solve for x
x = 11,085,618,968,032.58/2,881,841.94 - Step 6: Final answer
x = 3,846,713.04
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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.