Finding the Fourth Proportional to 2,405,358.75, 3,319,395.96 and 1,317,669.53
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Solution
The fourth proportional to 2,405,358.75, 3,319,395.96 and 1,317,669.53 is: 1,818,384.43
Step by Step Solution
- Step 1: Write the proportion equation
2,405,358.75 : 3,319,395.96 = 1,317,669.53 : x - Step 2: Convert to fraction form
2,405,358.75/3,319,395.96 = 1,317,669.53/x - Step 3: Cross multiply
2,405,358.75x = 3,319,395.96 × 1,317,669.53 - Step 4: Simplify right side
2,405,358.75x = 4,373,866,902,841.38 - Step 5: Solve for x
x = 4,373,866,902,841.38/2,405,358.75 - Step 6: Final answer
x = 1,818,384.43
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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.