Finding the Fourth Proportional to 3,128,153.44, 4,315,848.48 and 1,751,294.68
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Solution
The fourth proportional to 3,128,153.44, 4,315,848.48 and 1,751,294.68 is: 2,416,224.98
Step by Step Solution
- Step 1: Write the proportion equation
3,128,153.44 : 4,315,848.48 = 1,751,294.68 : x - Step 2: Convert to fraction form
3,128,153.44/4,315,848.48 = 1,751,294.68/x - Step 3: Cross multiply
3,128,153.44x = 4,315,848.48 × 1,751,294.68 - Step 4: Simplify right side
3,128,153.44x = 7,558,322,482,710.09 - Step 5: Solve for x
x = 7,558,322,482,710.09/3,128,153.44 - Step 6: Final answer
x = 2,416,224.98
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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.