Finding the Fourth Proportional to 5,133,800.49, 7,084,728.23 and 2,810,653.80
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Solution
The fourth proportional to 5,133,800.49, 7,084,728.23 and 2,810,653.80 is: 3,878,747.99
Step by Step Solution
- Step 1: Write the proportion equation
5,133,800.49 : 7,084,728.23 = 2,810,653.80 : x - Step 2: Convert to fraction form
5,133,800.49/7,084,728.23 = 2,810,653.80/x - Step 3: Cross multiply
5,133,800.49x = 7,084,728.23 × 2,810,653.80 - Step 4: Simplify right side
5,133,800.49x = 19,912,718,307,563.50 - Step 5: Solve for x
x = 19,912,718,307,563.50/5,133,800.49 - Step 6: Final answer
x = 3,878,747.99
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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.