Finding the Fourth Proportional to 4,129,114.50, 5,698,178.01 and 2,318,317.38
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Solution
The fourth proportional to 4,129,114.50, 5,698,178.01 and 2,318,317.38 is: 3,199,277.98
Step by Step Solution
- Step 1: Write the proportion equation
4,129,114.50 : 5,698,178.01 = 2,318,317.38 : x - Step 2: Convert to fraction form
4,129,114.50/5,698,178.01 = 2,318,317.38/x - Step 3: Cross multiply
4,129,114.50x = 5,698,178.01 × 2,318,317.38 - Step 4: Simplify right side
4,129,114.50x = 13,210,185,114,916.81 - Step 5: Solve for x
x = 13,210,185,114,916.81/4,129,114.50 - Step 6: Final answer
x = 3,199,277.98
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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.