Finding the Fourth Proportional to 5,134,554.28, 7,085,946.18 and 2,842,967.08
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Solution
The fourth proportional to 5,134,554.28, 7,085,946.18 and 2,842,967.08 is: 3,923,439.24
Step by Step Solution
- Step 1: Write the proportion equation
5,134,554.28 : 7,085,946.18 = 2,842,967.08 : x - Step 2: Convert to fraction form
5,134,554.28/7,085,946.18 = 2,842,967.08/x - Step 3: Cross multiply
5,134,554.28x = 7,085,946.18 × 2,842,967.08 - Step 4: Simplify right side
5,134,554.28x = 20,145,111,720,391.75 - Step 5: Solve for x
x = 20,145,111,720,391.75/5,134,554.28 - Step 6: Final answer
x = 3,923,439.24
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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.