Finding the Fourth Proportional to 4,283,457.32, 5,911,115.99 and 2,447,894.55
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Solution
The fourth proportional to 4,283,457.32, 5,911,115.99 and 2,447,894.55 is: 3,378,062.98
Step by Step Solution
- Step 1: Write the proportion equation
4,283,457.32 : 5,911,115.99 = 2,447,894.55 : x - Step 2: Convert to fraction form
4,283,457.32/5,911,115.99 = 2,447,894.55/x - Step 3: Cross multiply
4,283,457.32x = 5,911,115.99 × 2,447,894.55 - Step 4: Simplify right side
4,283,457.32x = 14,469,788,616,338.85 - Step 5: Solve for x
x = 14,469,788,616,338.85/4,283,457.32 - Step 6: Final answer
x = 3,378,062.98
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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.