Finding the Fourth Proportional to 4,662,985.12, 6,994,490.16 and 1,297,192.48
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Solution
The fourth proportional to 4,662,985.12, 6,994,490.16 and 1,297,192.48 is: 1,945,792.19
Step by Step Solution
- Step 1: Write the proportion equation
4,662,985.12 : 6,994,490.16 = 1,297,192.48 : x - Step 2: Convert to fraction form
4,662,985.12/6,994,490.16 = 1,297,192.48/x - Step 3: Cross multiply
4,662,985.12x = 6,994,490.16 × 1,297,192.48 - Step 4: Simplify right side
4,662,985.12x = 9,073,200,036,986.00 - Step 5: Solve for x
x = 9,073,200,036,986.00/4,662,985.12 - Step 6: Final answer
x = 1,945,792.19
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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.