Finding the Fourth Proportional to 5,133,677.69, 7,084,477.26 and 2,810,720.74
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Solution
The fourth proportional to 5,133,677.69, 7,084,477.26 and 2,810,720.74 is: 3,878,795.74
Step by Step Solution
- Step 1: Write the proportion equation
5,133,677.69 : 7,084,477.26 = 2,810,720.74 : x - Step 2: Convert to fraction form
5,133,677.69/7,084,477.26 = 2,810,720.74/x - Step 3: Cross multiply
5,133,677.69x = 7,084,477.26 × 2,810,720.74 - Step 4: Simplify right side
5,133,677.69x = 19,912,487,166,740.38 - Step 5: Solve for x
x = 19,912,487,166,740.38/5,133,677.69 - Step 6: Final answer
x = 3,878,795.74
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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.