Finding the Fourth Proportional to 2,129,218.82, 3,194,331.60 and 689,899.82
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Solution
The fourth proportional to 2,129,218.82, 3,194,331.60 and 689,899.82 is: 1,035,012.82
Step by Step Solution
- Step 1: Write the proportion equation
2,129,218.82 : 3,194,331.60 = 689,899.82 : x - Step 2: Convert to fraction form
2,129,218.82/3,194,331.60 = 689,899.82/x - Step 3: Cross multiply
2,129,218.82x = 3,194,331.60 × 689,899.82 - Step 4: Simplify right side
2,129,218.82x = 2,203,768,776,439.15 - Step 5: Solve for x
x = 2,203,768,776,439.15/2,129,218.82 - Step 6: Final answer
x = 1,035,012.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.