Finding the Fourth Proportional to 6,503,806.36, 8,974,899.30 and 3,603,024.22
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Solution
The fourth proportional to 6,503,806.36, 8,974,899.30 and 3,603,024.22 is: 4,971,977.60
Step by Step Solution
- Step 1: Write the proportion equation
6,503,806.36 : 8,974,899.30 = 3,603,024.22 : x - Step 2: Convert to fraction form
6,503,806.36/8,974,899.30 = 3,603,024.22/x - Step 3: Cross multiply
6,503,806.36x = 8,974,899.30 × 3,603,024.22 - Step 4: Simplify right side
6,503,806.36x = 32,336,779,549,961.05 - Step 5: Solve for x
x = 32,336,779,549,961.05/6,503,806.36 - Step 6: Final answer
x = 4,971,977.60
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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.