Finding the Fourth Proportional to 1,576,452.11, 2,167,468.44 and 1,402,692.53
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Solution
The fourth proportional to 1,576,452.11, 2,167,468.44 and 1,402,692.53 is: 1,928,565.90
Step by Step Solution
- Step 1: Write the proportion equation
1,576,452.11 : 2,167,468.44 = 1,402,692.53 : x - Step 2: Convert to fraction form
1,576,452.11/2,167,468.44 = 1,402,692.53/x - Step 3: Cross multiply
1,576,452.11x = 2,167,468.44 × 1,402,692.53 - Step 4: Simplify right side
1,576,452.11x = 3,040,291,773,701.31 - Step 5: Solve for x
x = 3,040,291,773,701.31/1,576,452.11 - Step 6: Final answer
x = 1,928,565.90
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.