Finding the Fourth Proportional to 1,621,382.87, 2,237,484.06 and 896,214.58
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Solution
The fourth proportional to 1,621,382.87, 2,237,484.06 and 896,214.58 is: 1,236,762.68
Step by Step Solution
- Step 1: Write the proportion equation
1,621,382.87 : 2,237,484.06 = 896,214.58 : x - Step 2: Convert to fraction form
1,621,382.87/2,237,484.06 = 896,214.58/x - Step 3: Cross multiply
1,621,382.87x = 2,237,484.06 × 896,214.58 - Step 4: Simplify right side
1,621,382.87x = 2,005,265,831,495.88 - Step 5: Solve for x
x = 2,005,265,831,495.88/1,621,382.87 - Step 6: Final answer
x = 1,236,762.68
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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.