Finding the Fourth Proportional to 2,403,974.45, 3,317,484.12 and 1,316,245.74
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Solution
The fourth proportional to 2,403,974.45, 3,317,484.12 and 1,316,245.74 is: 1,816,418.78
Step by Step Solution
- Step 1: Write the proportion equation
2,403,974.45 : 3,317,484.12 = 1,316,245.74 : x - Step 2: Convert to fraction form
2,403,974.45/3,317,484.12 = 1,316,245.74/x - Step 3: Cross multiply
2,403,974.45x = 3,317,484.12 × 1,316,245.74 - Step 4: Simplify right side
2,403,974.45x = 4,366,624,340,467.65 - Step 5: Solve for x
x = 4,366,624,340,467.65/2,403,974.45 - Step 6: Final answer
x = 1,816,418.78
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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.