Finding the Fourth Proportional to 2,591,921.98, 3,889,618.35 and 1,075,606.48
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Solution
The fourth proportional to 2,591,921.98, 3,889,618.35 and 1,075,606.48 is: 1,614,129.88
Step by Step Solution
- Step 1: Write the proportion equation
2,591,921.98 : 3,889,618.35 = 1,075,606.48 : x - Step 2: Convert to fraction form
2,591,921.98/3,889,618.35 = 1,075,606.48/x - Step 3: Cross multiply
2,591,921.98x = 3,889,618.35 × 1,075,606.48 - Step 4: Simplify right side
2,591,921.98x = 4,183,698,701,986.91 - Step 5: Solve for x
x = 4,183,698,701,986.91/2,591,921.98 - Step 6: Final answer
x = 1,614,129.88
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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.