Finding the Fourth Proportional to 1,994,278.48, 2,991,167.08 and 555,069.83
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Solution
The fourth proportional to 1,994,278.48, 2,991,167.08 and 555,069.83 is: 832,534.98
Step by Step Solution
- Step 1: Write the proportion equation
1,994,278.48 : 2,991,167.08 = 555,069.83 : x - Step 2: Convert to fraction form
1,994,278.48/2,991,167.08 = 555,069.83/x - Step 3: Cross multiply
1,994,278.48x = 2,991,167.08 × 555,069.83 - Step 4: Simplify right side
1,994,278.48x = 1,660,306,589,679.48 - Step 5: Solve for x
x = 1,660,306,589,679.48/1,994,278.48 - Step 6: Final answer
x = 832,534.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.