Finding the Fourth Proportional to 4,154,752.80, 6,232,129.20 and 1,315,087.20
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Solution
The fourth proportional to 4,154,752.80, 6,232,129.20 and 1,315,087.20 is: 1,972,630.80
Step by Step Solution
- Step 1: Write the proportion equation
4,154,752.80 : 6,232,129.20 = 1,315,087.20 : x - Step 2: Convert to fraction form
4,154,752.80/6,232,129.20 = 1,315,087.20/x - Step 3: Cross multiply
4,154,752.80x = 6,232,129.20 × 1,315,087.20 - Step 4: Simplify right side
4,154,752.80x = 8,195,793,339,666.24 - Step 5: Solve for x
x = 8,195,793,339,666.24/4,154,752.80 - Step 6: Final answer
x = 1,972,630.80
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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.