Finding the Fourth Proportional to 3,947,309.63, 5,448,307.91 and 2,574,077.75
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Solution
The fourth proportional to 3,947,309.63, 5,448,307.91 and 2,574,077.75 is: 3,552,892.85
Step by Step Solution
- Step 1: Write the proportion equation
3,947,309.63 : 5,448,307.91 = 2,574,077.75 : x - Step 2: Convert to fraction form
3,947,309.63/5,448,307.91 = 2,574,077.75/x - Step 3: Cross multiply
3,947,309.63x = 5,448,307.91 × 2,574,077.75 - Step 4: Simplify right side
3,947,309.63x = 14,024,368,126,168.08 - Step 5: Solve for x
x = 14,024,368,126,168.08/3,947,309.63 - Step 6: Final answer
x = 3,552,892.85
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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.