Finding the Fourth Proportional to 5,148,153.30, 7,102,691.83 and 2,941,432.75
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Solution
The fourth proportional to 5,148,153.30, 7,102,691.83 and 2,941,432.75 is: 4,058,171.76
Step by Step Solution
- Step 1: Write the proportion equation
5,148,153.30 : 7,102,691.83 = 2,941,432.75 : x - Step 2: Convert to fraction form
5,148,153.30/7,102,691.83 = 2,941,432.75/x - Step 3: Cross multiply
5,148,153.30x = 7,102,691.83 × 2,941,432.75 - Step 4: Simplify right side
5,148,153.30x = 20,892,090,336,809.12 - Step 5: Solve for x
x = 20,892,090,336,809.12/5,148,153.30 - Step 6: Final answer
x = 4,058,171.76
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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.