Finding the Fourth Proportional to 1,829,552.40, 2,743,803.72 and 1,272,129.84
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Solution
The fourth proportional to 1,829,552.40, 2,743,803.72 and 1,272,129.84 is: 1,907,829.80
Step by Step Solution
- Step 1: Write the proportion equation
1,829,552.40 : 2,743,803.72 = 1,272,129.84 : x - Step 2: Convert to fraction form
1,829,552.40/2,743,803.72 = 1,272,129.84/x - Step 3: Cross multiply
1,829,552.40x = 2,743,803.72 × 1,272,129.84 - Step 4: Simplify right side
1,829,552.40x = 3,490,474,587,315.01 - Step 5: Solve for x
x = 3,490,474,587,315.01/1,829,552.40 - Step 6: Final answer
x = 1,907,829.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.