Finding the Fourth Proportional to 1,544,711.10, 2,317,239.45 and 479,744.70
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Solution
The fourth proportional to 1,544,711.10, 2,317,239.45 and 479,744.70 is: 719,670.72
Step by Step Solution
- Step 1: Write the proportion equation
1,544,711.10 : 2,317,239.45 = 479,744.70 : x - Step 2: Convert to fraction form
1,544,711.10/2,317,239.45 = 479,744.70/x - Step 3: Cross multiply
1,544,711.10x = 2,317,239.45 × 479,744.70 - Step 4: Simplify right side
1,544,711.10x = 1,111,683,344,768.42 - Step 5: Solve for x
x = 1,111,683,344,768.42/1,544,711.10 - Step 6: Final answer
x = 719,670.72
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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.