Finding the Fourth Proportional to 2,041,653.20, 2,817,453.64 and 1,136,235.28
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Solution
The fourth proportional to 2,041,653.20, 2,817,453.64 and 1,136,235.28 is: 1,567,989.23
Step by Step Solution
- Step 1: Write the proportion equation
2,041,653.20 : 2,817,453.64 = 1,136,235.28 : x - Step 2: Convert to fraction form
2,041,653.20/2,817,453.64 = 1,136,235.28/x - Step 3: Cross multiply
2,041,653.20x = 2,817,453.64 × 1,136,235.28 - Step 4: Simplify right side
2,041,653.20x = 3,201,290,225,532.42 - Step 5: Solve for x
x = 3,201,290,225,532.42/2,041,653.20 - Step 6: Final answer
x = 1,567,989.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.