Finding the Fourth Proportional to 7,574,578.57, 10,452,985.28 and 4,311,603.44
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Solution
The fourth proportional to 7,574,578.57, 10,452,985.28 and 4,311,603.44 is: 5,950,050.80
Step by Step Solution
- Step 1: Write the proportion equation
7,574,578.57 : 10,452,985.28 = 4,311,603.44 : x - Step 2: Convert to fraction form
7,574,578.57/10,452,985.28 = 4,311,603.44/x - Step 3: Cross multiply
7,574,578.57x = 10,452,985.28 × 4,311,603.44 - Step 4: Simplify right side
7,574,578.57x = 45,069,127,291,517.37 - Step 5: Solve for x
x = 45,069,127,291,517.37/7,574,578.57 - Step 6: Final answer
x = 5,950,050.80
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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.