Finding the Fourth Proportional to 2,575,487.80, 3,864,981.30 and 1,438,247.80
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Solution
The fourth proportional to 2,575,487.80, 3,864,981.30 and 1,438,247.80 is: 2,158,348.74
Step by Step Solution
- Step 1: Write the proportion equation
2,575,487.80 : 3,864,981.30 = 1,438,247.80 : x - Step 2: Convert to fraction form
2,575,487.80/3,864,981.30 = 1,438,247.80/x - Step 3: Cross multiply
2,575,487.80x = 3,864,981.30 × 1,438,247.80 - Step 4: Simplify right side
2,575,487.80x = 5,558,800,851,766.14 - Step 5: Solve for x
x = 5,558,800,851,766.14/2,575,487.80 - Step 6: Final answer
x = 2,158,348.74
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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.