Finding the Fourth Proportional to 4,759,312.91, 6,561,508.35 and 3,782,513.66
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Solution
The fourth proportional to 4,759,312.91, 6,561,508.35 and 3,782,513.66 is: 5,214,827.32
Step by Step Solution
- Step 1: Write the proportion equation
4,759,312.91 : 6,561,508.35 = 3,782,513.66 : x - Step 2: Convert to fraction form
4,759,312.91/6,561,508.35 = 3,782,513.66/x - Step 3: Cross multiply
4,759,312.91x = 6,561,508.35 × 3,782,513.66 - Step 4: Simplify right side
4,759,312.91x = 24,818,994,945,455.94 - Step 5: Solve for x
x = 24,818,994,945,455.94/4,759,312.91 - Step 6: Final answer
x = 5,214,827.32
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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.