Finding the Fourth Proportional to 5,106,977.92, 7,048,268.04 and 2,932,202.80
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Solution
The fourth proportional to 5,106,977.92, 7,048,268.04 and 2,932,202.80 is: 4,046,806.47
Step by Step Solution
- Step 1: Write the proportion equation
5,106,977.92 : 7,048,268.04 = 2,932,202.80 : x - Step 2: Convert to fraction form
5,106,977.92/7,048,268.04 = 2,932,202.80/x - Step 3: Cross multiply
5,106,977.92x = 7,048,268.04 × 2,932,202.80 - Step 4: Simplify right side
5,106,977.92x = 20,666,951,282,038.51 - Step 5: Solve for x
x = 20,666,951,282,038.51/5,106,977.92 - Step 6: Final answer
x = 4,046,806.47
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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.