Finding the Fourth Proportional to 7,225,839.87, 9,970,742.50 and 3,961,795.68
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Solution
The fourth proportional to 7,225,839.87, 9,970,742.50 and 3,961,795.68 is: 5,466,775.53
Step by Step Solution
- Step 1: Write the proportion equation
7,225,839.87 : 9,970,742.50 = 3,961,795.68 : x - Step 2: Convert to fraction form
7,225,839.87/9,970,742.50 = 3,961,795.68/x - Step 3: Cross multiply
7,225,839.87x = 9,970,742.50 × 3,961,795.68 - Step 4: Simplify right side
7,225,839.87x = 39,502,044,562,892.40 - Step 5: Solve for x
x = 39,502,044,562,892.40/7,225,839.87 - Step 6: Final answer
x = 5,466,775.53
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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.