Finding the Fourth Proportional to 1,608,355.05, 2,219,555.47 and 873,308.91
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Solution
The fourth proportional to 1,608,355.05, 2,219,555.47 and 873,308.91 is: 1,205,180.14
Step by Step Solution
- Step 1: Write the proportion equation
1,608,355.05 : 2,219,555.47 = 873,308.91 : x - Step 2: Convert to fraction form
1,608,355.05/2,219,555.47 = 873,308.91/x - Step 3: Cross multiply
1,608,355.05x = 2,219,555.47 × 873,308.91 - Step 4: Simplify right side
1,608,355.05x = 1,938,357,568,190.24 - Step 5: Solve for x
x = 1,938,357,568,190.24/1,608,355.05 - Step 6: Final answer
x = 1,205,180.14
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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.