Finding the Fourth Proportional to 4,263,988.80, 6,395,983.20 and 1,738,267.20
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Solution
The fourth proportional to 4,263,988.80, 6,395,983.20 and 1,738,267.20 is: 2,607,400.80
Step by Step Solution
- Step 1: Write the proportion equation
4,263,988.80 : 6,395,983.20 = 1,738,267.20 : x - Step 2: Convert to fraction form
4,263,988.80/6,395,983.20 = 1,738,267.20/x - Step 3: Cross multiply
4,263,988.80x = 6,395,983.20 × 1,738,267.20 - Step 4: Simplify right side
4,263,988.80x = 11,117,927,808,311.04 - Step 5: Solve for x
x = 11,117,927,808,311.04/4,263,988.80 - Step 6: Final answer
x = 2,607,400.80
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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.