Finding the Fourth Proportional to 4,154,718.80, 6,232,078.20 and 1,315,053.20
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Solution
The fourth proportional to 4,154,718.80, 6,232,078.20 and 1,315,053.20 is: 1,972,579.80
Step by Step Solution
- Step 1: Write the proportion equation
4,154,718.80 : 6,232,078.20 = 1,315,053.20 : x - Step 2: Convert to fraction form
4,154,718.80/6,232,078.20 = 1,315,053.20/x - Step 3: Cross multiply
4,154,718.80x = 6,232,078.20 × 1,315,053.20 - Step 4: Simplify right side
4,154,718.80x = 8,195,514,379,560.24 - Step 5: Solve for x
x = 8,195,514,379,560.24/4,154,718.80 - Step 6: Final answer
x = 1,972,579.80
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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.