Finding the Fourth Proportional to 3,881,651.55, 5,356,701.09 and 2,251,027.08
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Solution
The fourth proportional to 3,881,651.55, 5,356,701.09 and 2,251,027.08 is: 3,106,430.10
Step by Step Solution
- Step 1: Write the proportion equation
3,881,651.55 : 5,356,701.09 = 2,251,027.08 : x - Step 2: Convert to fraction form
3,881,651.55/5,356,701.09 = 2,251,027.08/x - Step 3: Cross multiply
3,881,651.55x = 5,356,701.09 × 2,251,027.08 - Step 4: Simplify right side
3,881,651.55x = 12,058,079,213,055.52 - Step 5: Solve for x
x = 12,058,079,213,055.52/3,881,651.55 - Step 6: Final answer
x = 3,106,430.10
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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.