Finding the Fourth Proportional to 4,850,334.40, 7,275,526.80 and 1,255,849.60
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Solution
The fourth proportional to 4,850,334.40, 7,275,526.80 and 1,255,849.60 is: 1,883,780.92
Step by Step Solution
- Step 1: Write the proportion equation
4,850,334.40 : 7,275,526.80 = 1,255,849.60 : x - Step 2: Convert to fraction form
4,850,334.40/7,275,526.80 = 1,255,849.60/x - Step 3: Cross multiply
4,850,334.40x = 7,275,526.80 × 1,255,849.60 - Step 4: Simplify right side
4,850,334.40x = 9,136,967,421,569.28 - Step 5: Solve for x
x = 9,136,967,421,569.28/4,850,334.40 - Step 6: Final answer
x = 1,883,780.92
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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.