Finding the Fourth Proportional to 1,969,315.74, 2,718,563.72 and 1,153,406.79
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Solution
The fourth proportional to 1,969,315.74, 2,718,563.72 and 1,153,406.79 is: 1,592,233.17
Step by Step Solution
- Step 1: Write the proportion equation
1,969,315.74 : 2,718,563.72 = 1,153,406.79 : x - Step 2: Convert to fraction form
1,969,315.74/2,718,563.72 = 1,153,406.79/x - Step 3: Cross multiply
1,969,315.74x = 2,718,563.72 × 1,153,406.79 - Step 4: Simplify right side
1,969,315.74x = 3,135,609,847,928.63 - Step 5: Solve for x
x = 3,135,609,847,928.63/1,969,315.74 - Step 6: Final answer
x = 1,592,233.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.