Finding the Fourth Proportional to 1,557,615.66, 2,149,537.60 and 913,500.42
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Solution
The fourth proportional to 1,557,615.66, 2,149,537.60 and 913,500.42 is: 1,260,646.99
Step by Step Solution
- Step 1: Write the proportion equation
1,557,615.66 : 2,149,537.60 = 913,500.42 : x - Step 2: Convert to fraction form
1,557,615.66/2,149,537.60 = 913,500.42/x - Step 3: Cross multiply
1,557,615.66x = 2,149,537.60 × 913,500.42 - Step 4: Simplify right side
1,557,615.66x = 1,963,603,500,405.79 - Step 5: Solve for x
x = 1,963,603,500,405.79/1,557,615.66 - Step 6: Final answer
x = 1,260,646.99
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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.