Finding the Fourth Proportional to 2,113,668, 3,169,836 and 693,393.12
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Solution
The fourth proportional to 2,113,668, 3,169,836 and 693,393.12 is: 1,039,871.20
Step by Step Solution
- Step 1: Write the proportion equation
2,113,668 : 3,169,836 = 693,393.12 : x - Step 2: Convert to fraction form
2,113,668/3,169,836 = 693,393.12/x - Step 3: Cross multiply
2,113,668x = 3,169,836 × 693,393.12 - Step 4: Simplify right side
2,113,668x = 2,197,942,473,928.32 - Step 5: Solve for x
x = 2,197,942,473,928.32/2,113,668 - Step 6: Final answer
x = 1,039,871.20
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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.