Finding the Fourth Proportional to 1,566,299.13, 2,349,450.74 and 429,071.43
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Solution
The fourth proportional to 1,566,299.13, 2,349,450.74 and 429,071.43 is: 643,607.70
Step by Step Solution
- Step 1: Write the proportion equation
1,566,299.13 : 2,349,450.74 = 429,071.43 : x - Step 2: Convert to fraction form
1,566,299.13/2,349,450.74 = 429,071.43/x - Step 3: Cross multiply
1,566,299.13x = 2,349,450.74 × 429,071.43 - Step 4: Simplify right side
1,566,299.13x = 1,008,082,184,187.05 - Step 5: Solve for x
x = 1,008,082,184,187.05/1,566,299.13 - Step 6: Final answer
x = 643,607.70
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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.