Finding the Fourth Proportional to 3,142,454.13, 4,336,591.37 and 1,784,327.13
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Solution
The fourth proportional to 3,142,454.13, 4,336,591.37 and 1,784,327.13 is: 2,462,374.09
Step by Step Solution
- Step 1: Write the proportion equation
3,142,454.13 : 4,336,591.37 = 1,784,327.13 : x - Step 2: Convert to fraction form
3,142,454.13/4,336,591.37 = 1,784,327.13/x - Step 3: Cross multiply
3,142,454.13x = 4,336,591.37 × 1,784,327.13 - Step 4: Simplify right side
3,142,454.13x = 7,737,897,624,293.23 - Step 5: Solve for x
x = 7,737,897,624,293.23/3,142,454.13 - Step 6: Final answer
x = 2,462,374.09
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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.