Finding the Fourth Proportional to 5,158,526.62, 7,111,263.99 and 3,604,964.92
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Solution
The fourth proportional to 5,158,526.62, 7,111,263.99 and 3,604,964.92 is: 4,969,608.40
Step by Step Solution
- Step 1: Write the proportion equation
5,158,526.62 : 7,111,263.99 = 3,604,964.92 : x - Step 2: Convert to fraction form
5,158,526.62/7,111,263.99 = 3,604,964.92/x - Step 3: Cross multiply
5,158,526.62x = 7,111,263.99 × 3,604,964.92 - Step 4: Simplify right side
5,158,526.62x = 25,635,857,220,809.23 - Step 5: Solve for x
x = 25,635,857,220,809.23/5,158,526.62 - Step 6: Final answer
x = 4,969,608.40
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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.