Finding the Fourth Proportional to 3,881,651.98, 5,356,701.70 and 2,251,027.52
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Solution
The fourth proportional to 3,881,651.98, 5,356,701.70 and 2,251,027.52 is: 3,106,430.72
Step by Step Solution
- Step 1: Write the proportion equation
3,881,651.98 : 5,356,701.70 = 2,251,027.52 : x - Step 2: Convert to fraction form
3,881,651.98/5,356,701.70 = 2,251,027.52/x - Step 3: Cross multiply
3,881,651.98x = 5,356,701.70 × 2,251,027.52 - Step 4: Simplify right side
3,881,651.98x = 12,058,082,943,130.79 - Step 5: Solve for x
x = 12,058,082,943,130.79/3,881,651.98 - Step 6: Final answer
x = 3,106,430.72
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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.