Finding the Fourth Proportional to 5,438,932.79, 8,159,328.65 and 2,242,311.53
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Solution
The fourth proportional to 5,438,932.79, 8,159,328.65 and 2,242,311.53 is: 3,363,850.48
Step by Step Solution
- Step 1: Write the proportion equation
5,438,932.79 : 8,159,328.65 = 2,242,311.53 : x - Step 2: Convert to fraction form
5,438,932.79/8,159,328.65 = 2,242,311.53/x - Step 3: Cross multiply
5,438,932.79x = 8,159,328.65 × 2,242,311.53 - Step 4: Simplify right side
5,438,932.79x = 18,295,756,673,763.47 - Step 5: Solve for x
x = 18,295,756,673,763.47/5,438,932.79 - Step 6: Final answer
x = 3,363,850.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.