Finding the Fourth Proportional to 2,255,503.36, 3,112,307.84 and 1,288,696.27
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Solution
The fourth proportional to 2,255,503.36, 3,112,307.84 and 1,288,696.27 is: 1,778,236.99
Step by Step Solution
- Step 1: Write the proportion equation
2,255,503.36 : 3,112,307.84 = 1,288,696.27 : x - Step 2: Convert to fraction form
2,255,503.36/3,112,307.84 = 1,288,696.27/x - Step 3: Cross multiply
2,255,503.36x = 3,112,307.84 × 1,288,696.27 - Step 4: Simplify right side
2,255,503.36x = 4,010,819,498,056.28 - Step 5: Solve for x
x = 4,010,819,498,056.28/2,255,503.36 - Step 6: Final answer
x = 1,778,236.99
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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.