Finding the Fourth Proportional to 1,974,445.62, 2,961,668.46 and 478,537.62
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Solution
The fourth proportional to 1,974,445.62, 2,961,668.46 and 478,537.62 is: 717,806.44
Step by Step Solution
- Step 1: Write the proportion equation
1,974,445.62 : 2,961,668.46 = 478,537.62 : x - Step 2: Convert to fraction form
1,974,445.62/2,961,668.46 = 478,537.62/x - Step 3: Cross multiply
1,974,445.62x = 2,961,668.46 × 478,537.62 - Step 4: Simplify right side
1,974,445.62x = 1,417,269,776,077.47 - Step 5: Solve for x
x = 1,417,269,776,077.47/1,974,445.62 - Step 6: Final answer
x = 717,806.44
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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.