Finding the Fourth Proportional to 2,620,257.84, 3,924,088.20 and 1,494,915.12
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Solution
The fourth proportional to 2,620,257.84, 3,924,088.20 and 1,494,915.12 is: 2,238,779.21
Step by Step Solution
- Step 1: Write the proportion equation
2,620,257.84 : 3,924,088.20 = 1,494,915.12 : x - Step 2: Convert to fraction form
2,620,257.84/3,924,088.20 = 1,494,915.12/x - Step 3: Cross multiply
2,620,257.84x = 3,924,088.20 × 1,494,915.12 - Step 4: Simplify right side
2,620,257.84x = 5,866,178,782,393.59 - Step 5: Solve for x
x = 5,866,178,782,393.59/2,620,257.84 - Step 6: Final answer
x = 2,238,779.21
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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.