Finding the Fourth Proportional to 6,503,375.20, 8,975,209.12 and 3,603,675.68
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Solution
The fourth proportional to 6,503,375.20, 8,975,209.12 and 3,603,675.68 is: 4,973,377.95
Step by Step Solution
- Step 1: Write the proportion equation
6,503,375.20 : 8,975,209.12 = 3,603,675.68 : x - Step 2: Convert to fraction form
6,503,375.20/8,975,209.12 = 3,603,675.68/x - Step 3: Cross multiply
6,503,375.20x = 8,975,209.12 × 3,603,675.68 - Step 4: Simplify right side
6,503,375.20x = 32,343,742,828,658.20 - Step 5: Solve for x
x = 32,343,742,828,658.20/6,503,375.20 - Step 6: Final answer
x = 4,973,377.95
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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.