Finding the Fourth Proportional to 4,343,797.60, 6,509,281.20 and 3,148,237.60
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Solution
The fourth proportional to 4,343,797.60, 6,509,281.20 and 3,148,237.60 is: 4,717,706.88
Step by Step Solution
- Step 1: Write the proportion equation
4,343,797.60 : 6,509,281.20 = 3,148,237.60 : x - Step 2: Convert to fraction form
4,343,797.60/6,509,281.20 = 3,148,237.60/x - Step 3: Cross multiply
4,343,797.60x = 6,509,281.20 × 3,148,237.60 - Step 4: Simplify right side
4,343,797.60x = 20,492,763,822,813.12 - Step 5: Solve for x
x = 20,492,763,822,813.12/4,343,797.60 - Step 6: Final answer
x = 4,717,706.88
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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.