Finding the Fourth Proportional to 1,621,380.01, 2,237,465.05 and 896,209.09
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Solution
The fourth proportional to 1,621,380.01, 2,237,465.05 and 896,209.09 is: 1,236,746.79
Step by Step Solution
- Step 1: Write the proportion equation
1,621,380.01 : 2,237,465.05 = 896,209.09 : x - Step 2: Convert to fraction form
1,621,380.01/2,237,465.05 = 896,209.09/x - Step 3: Cross multiply
1,621,380.01x = 2,237,465.05 × 896,209.09 - Step 4: Simplify right side
1,621,380.01x = 2,005,236,516,367.30 - Step 5: Solve for x
x = 2,005,236,516,367.30/1,621,380.01 - Step 6: Final answer
x = 1,236,746.79
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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.