Finding the Fourth Proportional to 6,461,470.45, 8,916,808.48 and 3,560,860.45
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Solution
The fourth proportional to 6,461,470.45, 8,916,808.48 and 3,560,860.45 is: 4,913,975.99
Step by Step Solution
- Step 1: Write the proportion equation
6,461,470.45 : 8,916,808.48 = 3,560,860.45 : x - Step 2: Convert to fraction form
6,461,470.45/8,916,808.48 = 3,560,860.45/x - Step 3: Cross multiply
6,461,470.45x = 8,916,808.48 × 3,560,860.45 - Step 4: Simplify right side
6,461,470.45x = 31,751,510,656,656.62 - Step 5: Solve for x
x = 31,751,510,656,656.62/6,461,470.45 - Step 6: Final answer
x = 4,913,975.99
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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.