Finding the Fourth Proportional to 4,525,385.80, 6,787,422.60 and 1,330,178.80
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Solution
The fourth proportional to 4,525,385.80, 6,787,422.60 and 1,330,178.80 is: 1,995,075.35
Step by Step Solution
- Step 1: Write the proportion equation
4,525,385.80 : 6,787,422.60 = 1,330,178.80 : x - Step 2: Convert to fraction form
4,525,385.80/6,787,422.60 = 1,330,178.80/x - Step 3: Cross multiply
4,525,385.80x = 6,787,422.60 × 1,330,178.80 - Step 4: Simplify right side
4,525,385.80x = 9,028,485,649,160.88 - Step 5: Solve for x
x = 9,028,485,649,160.88/4,525,385.80 - Step 6: Final answer
x = 1,995,075.35
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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.