Finding the Fourth Proportional to 6,439,733.56, 9,664,027.80 and 2,653,215.76
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Solution
The fourth proportional to 6,439,733.56, 9,664,027.80 and 2,653,215.76 is: 3,981,647.78
Step by Step Solution
- Step 1: Write the proportion equation
6,439,733.56 : 9,664,027.80 = 2,653,215.76 : x - Step 2: Convert to fraction form
6,439,733.56/9,664,027.80 = 2,653,215.76/x - Step 3: Cross multiply
6,439,733.56x = 9,664,027.80 × 2,653,215.76 - Step 4: Simplify right side
6,439,733.56x = 25,640,750,864,038.13 - Step 5: Solve for x
x = 25,640,750,864,038.13/6,439,733.56 - Step 6: Final answer
x = 3,981,647.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.