Finding the Fourth Proportional to 1,600,136.76, 2,207,148.24 and 1,026,267.96
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Solution
The fourth proportional to 1,600,136.76, 2,207,148.24 and 1,026,267.96 is: 1,415,582.45
Step by Step Solution
- Step 1: Write the proportion equation
1,600,136.76 : 2,207,148.24 = 1,026,267.96 : x - Step 2: Convert to fraction form
1,600,136.76/2,207,148.24 = 1,026,267.96/x - Step 3: Cross multiply
1,600,136.76x = 2,207,148.24 × 1,026,267.96 - Step 4: Simplify right side
1,600,136.76x = 2,265,125,521,682.39 - Step 5: Solve for x
x = 2,265,125,521,682.39/1,600,136.76 - Step 6: Final answer
x = 1,415,582.45
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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.