Finding the Fourth Proportional to 4,478,071.68, 6,179,800.32 and 2,440,876.80
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Solution
The fourth proportional to 4,478,071.68, 6,179,800.32 and 2,440,876.80 is: 3,368,443.45
Step by Step Solution
- Step 1: Write the proportion equation
4,478,071.68 : 6,179,800.32 = 2,440,876.80 : x - Step 2: Convert to fraction form
4,478,071.68/6,179,800.32 = 2,440,876.80/x - Step 3: Cross multiply
4,478,071.68x = 6,179,800.32 × 2,440,876.80 - Step 4: Simplify right side
4,478,071.68x = 15,084,131,229,720.58 - Step 5: Solve for x
x = 15,084,131,229,720.58/4,478,071.68 - Step 6: Final answer
x = 3,368,443.45
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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.