Finding the Fourth Proportional to 4,240,010.40, 6,360,169.20 and 1,248,496.80
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Solution
The fourth proportional to 4,240,010.40, 6,360,169.20 and 1,248,496.80 is: 1,872,790.43
Step by Step Solution
- Step 1: Write the proportion equation
4,240,010.40 : 6,360,169.20 = 1,248,496.80 : x - Step 2: Convert to fraction form
4,240,010.40/6,360,169.20 = 1,248,496.80/x - Step 3: Cross multiply
4,240,010.40x = 6,360,169.20 × 1,248,496.80 - Step 4: Simplify right side
4,240,010.40x = 7,940,650,893,658.56 - Step 5: Solve for x
x = 7,940,650,893,658.56/4,240,010.40 - Step 6: Final answer
x = 1,872,790.43
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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.