Finding the Fourth Proportional to 5,439,634.36, 7,506,463.86 and 2,992,090.12
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Solution
The fourth proportional to 5,439,634.36, 7,506,463.86 and 2,992,090.12 is: 4,128,957.00
Step by Step Solution
- Step 1: Write the proportion equation
5,439,634.36 : 7,506,463.86 = 2,992,090.12 : x - Step 2: Convert to fraction form
5,439,634.36/7,506,463.86 = 2,992,090.12/x - Step 3: Cross multiply
5,439,634.36x = 7,506,463.86 × 2,992,090.12 - Step 4: Simplify right side
5,439,634.36x = 22,460,016,351,643.07 - Step 5: Solve for x
x = 22,460,016,351,643.07/5,439,634.36 - Step 6: Final answer
x = 4,128,957.00
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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.