Finding the Fourth Proportional to 1,388,349.84, 2,082,785.46 and 630,244.53
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Solution
The fourth proportional to 1,388,349.84, 2,082,785.46 and 630,244.53 is: 945,485.14
Step by Step Solution
- Step 1: Write the proportion equation
1,388,349.84 : 2,082,785.46 = 630,244.53 : x - Step 2: Convert to fraction form
1,388,349.84/2,082,785.46 = 630,244.53/x - Step 3: Cross multiply
1,388,349.84x = 2,082,785.46 × 630,244.53 - Step 4: Simplify right side
1,388,349.84x = 1,312,664,143,328.53 - Step 5: Solve for x
x = 1,312,664,143,328.53/1,388,349.84 - Step 6: Final answer
x = 945,485.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.