Finding the Fourth Proportional to 1,575,330.20, 2,361,245.70 and 865,867.40
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Solution
The fourth proportional to 1,575,330.20, 2,361,245.70 and 865,867.40 is: 1,297,839.45
Step by Step Solution
- Step 1: Write the proportion equation
1,575,330.20 : 2,361,245.70 = 865,867.40 : x - Step 2: Convert to fraction form
1,575,330.20/2,361,245.70 = 865,867.40/x - Step 3: Cross multiply
1,575,330.20x = 2,361,245.70 × 865,867.40 - Step 4: Simplify right side
1,575,330.20x = 2,044,525,675,020.18 - Step 5: Solve for x
x = 2,044,525,675,020.18/1,575,330.20 - Step 6: Final answer
x = 1,297,839.45
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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.