Finding the Fourth Proportional to 3,436,453.24, 4,742,403.92 and 1,908,658.80
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Solution
The fourth proportional to 3,436,453.24, 4,742,403.92 and 1,908,658.80 is: 2,634,003.82
Step by Step Solution
- Step 1: Write the proportion equation
3,436,453.24 : 4,742,403.92 = 1,908,658.80 : x - Step 2: Convert to fraction form
3,436,453.24/4,742,403.92 = 1,908,658.80/x - Step 3: Cross multiply
3,436,453.24x = 4,742,403.92 × 1,908,658.80 - Step 4: Simplify right side
3,436,453.24x = 9,051,630,975,062.50 - Step 5: Solve for x
x = 9,051,630,975,062.50/3,436,453.24 - Step 6: Final answer
x = 2,634,003.82
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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.