Finding the Fourth Proportional to 1,621,844.91, 2,238,106.55 and 896,673.96
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Solution
The fourth proportional to 1,621,844.91, 2,238,106.55 and 896,673.96 is: 1,237,388.26
Step by Step Solution
- Step 1: Write the proportion equation
1,621,844.91 : 2,238,106.55 = 896,673.96 : x - Step 2: Convert to fraction form
1,621,844.91/2,238,106.55 = 896,673.96/x - Step 3: Cross multiply
1,621,844.91x = 2,238,106.55 × 896,673.96 - Step 4: Simplify right side
1,621,844.91x = 2,006,851,858,607.07 - Step 5: Solve for x
x = 2,006,851,858,607.07/1,621,844.91 - Step 6: Final answer
x = 1,237,388.26
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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.