Finding the Fourth Proportional to 6,460,854.58, 8,916,039.12 and 3,560,349.25
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Solution
The fourth proportional to 6,460,854.58, 8,916,039.12 and 3,560,349.25 is: 4,913,314.92
Step by Step Solution
- Step 1: Write the proportion equation
6,460,854.58 : 8,916,039.12 = 3,560,349.25 : x - Step 2: Convert to fraction form
6,460,854.58/8,916,039.12 = 3,560,349.25/x - Step 3: Cross multiply
6,460,854.58x = 8,916,039.12 × 3,560,349.25 - Step 4: Simplify right side
6,460,854.58x = 31,744,213,193,862.66 - Step 5: Solve for x
x = 31,744,213,193,862.66/6,460,854.58 - Step 6: Final answer
x = 4,913,314.92
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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.