Finding the Fourth Proportional to 5,394,052.66, 7,443,158.61 and 2,979,460.66
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Solution
The fourth proportional to 5,394,052.66, 7,443,158.61 and 2,979,460.66 is: 4,111,305.48
Step by Step Solution
- Step 1: Write the proportion equation
5,394,052.66 : 7,443,158.61 = 2,979,460.66 : x - Step 2: Convert to fraction form
5,394,052.66/7,443,158.61 = 2,979,460.66/x - Step 3: Cross multiply
5,394,052.66x = 7,443,158.61 × 2,979,460.66 - Step 4: Simplify right side
5,394,052.66x = 22,176,598,264,635.29 - Step 5: Solve for x
x = 22,176,598,264,635.29/5,394,052.66 - Step 6: Final answer
x = 4,111,305.48
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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.