Finding the Fourth Proportional to 1,621,482.90, 2,237,613.42 and 896,361.18
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Solution
The fourth proportional to 1,621,482.90, 2,237,613.42 and 896,361.18 is: 1,236,960.20
Step by Step Solution
- Step 1: Write the proportion equation
1,621,482.90 : 2,237,613.42 = 896,361.18 : x - Step 2: Convert to fraction form
1,621,482.90/2,237,613.42 = 896,361.18/x - Step 3: Cross multiply
1,621,482.90x = 2,237,613.42 × 896,361.18 - Step 4: Simplify right side
1,621,482.90x = 2,005,709,805,535.04 - Step 5: Solve for x
x = 2,005,709,805,535.04/1,621,482.90 - Step 6: Final answer
x = 1,236,960.20
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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.