Finding the Fourth Proportional to 3,083,901.99, 4,256,232.26 and 1,776,899.67
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Solution
The fourth proportional to 3,083,901.99, 4,256,232.26 and 1,776,899.67 is: 2,452,379.39
Step by Step Solution
- Step 1: Write the proportion equation
3,083,901.99 : 4,256,232.26 = 1,776,899.67 : x - Step 2: Convert to fraction form
3,083,901.99/4,256,232.26 = 1,776,899.67/x - Step 3: Cross multiply
3,083,901.99x = 4,256,232.26 × 1,776,899.67 - Step 4: Simplify right side
3,083,901.99x = 7,562,897,689,352.86 - Step 5: Solve for x
x = 7,562,897,689,352.86/3,083,901.99 - Step 6: Final answer
x = 2,452,379.39
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1.5x scale
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.