Finding the Fourth Proportional to 1,621,104.44, 2,237,210.63 and 932,881.05
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Solution
The fourth proportional to 1,621,104.44, 2,237,210.63 and 932,881.05 is: 1,287,425.63
Step by Step Solution
- Step 1: Write the proportion equation
1,621,104.44 : 2,237,210.63 = 932,881.05 : x - Step 2: Convert to fraction form
1,621,104.44/2,237,210.63 = 932,881.05/x - Step 3: Cross multiply
1,621,104.44x = 2,237,210.63 × 932,881.05 - Step 4: Simplify right side
1,621,104.44x = 2,087,051,405,666.92 - Step 5: Solve for x
x = 2,087,051,405,666.92/1,621,104.44 - Step 6: Final answer
x = 1,287,425.63
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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.