Finding the Fourth Proportional to 5,746,013.20, 8,621,558.80 and 3,012,907.92
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Solution
The fourth proportional to 5,746,013.20, 8,621,558.80 and 3,012,907.92 is: 4,520,693.20
Step by Step Solution
- Step 1: Write the proportion equation
5,746,013.20 : 8,621,558.80 = 3,012,907.92 : x - Step 2: Convert to fraction form
5,746,013.20/8,621,558.80 = 3,012,907.92/x - Step 3: Cross multiply
5,746,013.20x = 8,621,558.80 × 3,012,907.92 - Step 4: Simplify right side
5,746,013.20x = 25,975,962,791,265.70 - Step 5: Solve for x
x = 25,975,962,791,265.70/5,746,013.20 - Step 6: Final answer
x = 4,520,693.20
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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.