Finding the Fourth Proportional to 3,072,317.46, 4,609,070.73 and 1,178,911.68
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Solution
The fourth proportional to 3,072,317.46, 4,609,070.73 and 1,178,911.68 is: 1,768,595.66
Step by Step Solution
- Step 1: Write the proportion equation
3,072,317.46 : 4,609,070.73 = 1,178,911.68 : x - Step 2: Convert to fraction form
3,072,317.46/4,609,070.73 = 1,178,911.68/x - Step 3: Cross multiply
3,072,317.46x = 4,609,070.73 × 1,178,911.68 - Step 4: Simplify right side
3,072,317.46x = 5,433,687,317,543.13 - Step 5: Solve for x
x = 5,433,687,317,543.13/3,072,317.46 - Step 6: Final answer
x = 1,768,595.66
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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.