Finding the Fourth Proportional to 4,943,648.16, 7,416,230.40 and 2,102,997.60
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Solution
The fourth proportional to 4,943,648.16, 7,416,230.40 and 2,102,997.60 is: 3,154,818.92
Step by Step Solution
- Step 1: Write the proportion equation
4,943,648.16 : 7,416,230.40 = 2,102,997.60 : x - Step 2: Convert to fraction form
4,943,648.16/7,416,230.40 = 2,102,997.60/x - Step 3: Cross multiply
4,943,648.16x = 7,416,230.40 × 2,102,997.60 - Step 4: Simplify right side
4,943,648.16x = 15,596,314,732,247.04 - Step 5: Solve for x
x = 15,596,314,732,247.04/4,943,648.16 - Step 6: Final answer
x = 3,154,818.92
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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.