Finding the Fourth Proportional to 2,212,695.96, 3,053,268.05 and 1,245,801.39
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Solution
The fourth proportional to 2,212,695.96, 3,053,268.05 and 1,245,801.39 is: 1,719,063.82
Step by Step Solution
- Step 1: Write the proportion equation
2,212,695.96 : 3,053,268.05 = 1,245,801.39 : x - Step 2: Convert to fraction form
2,212,695.96/3,053,268.05 = 1,245,801.39/x - Step 3: Cross multiply
2,212,695.96x = 3,053,268.05 × 1,245,801.39 - Step 4: Simplify right side
2,212,695.96x = 3,803,765,574,503.58 - Step 5: Solve for x
x = 3,803,765,574,503.58/2,212,695.96 - Step 6: Final answer
x = 1,719,063.82
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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.