Finding the Fourth Proportional to 4,072,971.60, 6,104,208.60 and 3,121,626.60
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Solution
The fourth proportional to 4,072,971.60, 6,104,208.60 and 3,121,626.60 is: 4,678,417.09
Step by Step Solution
- Step 1: Write the proportion equation
4,072,971.60 : 6,104,208.60 = 3,121,626.60 : x - Step 2: Convert to fraction form
4,072,971.60/6,104,208.60 = 3,121,626.60/x - Step 3: Cross multiply
4,072,971.60x = 6,104,208.60 × 3,121,626.60 - Step 4: Simplify right side
4,072,971.60x = 19,055,059,937,708.76 - Step 5: Solve for x
x = 19,055,059,937,708.76/4,072,971.60 - Step 6: Final answer
x = 4,678,417.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.