Finding the Fourth Proportional to 1,476,291.05, 2,037,272.37 and 831,918.23
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Solution
The fourth proportional to 1,476,291.05, 2,037,272.37 and 831,918.23 is: 1,148,041.93
Step by Step Solution
- Step 1: Write the proportion equation
1,476,291.05 : 2,037,272.37 = 831,918.23 : x - Step 2: Convert to fraction form
1,476,291.05/2,037,272.37 = 831,918.23/x - Step 3: Cross multiply
1,476,291.05x = 2,037,272.37 × 831,918.23 - Step 4: Simplify right side
1,476,291.05x = 1,694,844,024,078.31 - Step 5: Solve for x
x = 1,694,844,024,078.31/1,476,291.05 - Step 6: Final answer
x = 1,148,041.93
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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.