Finding the Fourth Proportional to 5,194,455.40, 7,168,210.86 and 2,902,634.92
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Solution
The fourth proportional to 5,194,455.40, 7,168,210.86 and 2,902,634.92 is: 4,005,559.30
Step by Step Solution
- Step 1: Write the proportion equation
5,194,455.40 : 7,168,210.86 = 2,902,634.92 : x - Step 2: Convert to fraction form
5,194,455.40/7,168,210.86 = 2,902,634.92/x - Step 3: Cross multiply
5,194,455.40x = 7,168,210.86 × 2,902,634.92 - Step 4: Simplify right side
5,194,455.40x = 20,806,699,156,159.23 - Step 5: Solve for x
x = 20,806,699,156,159.23/5,194,455.40 - Step 6: Final answer
x = 4,005,559.30
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1.5x scale
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.