Finding the Fourth Proportional to 1,508,556.21, 2,260,345.71 and 869,396.79
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Solution
The fourth proportional to 1,508,556.21, 2,260,345.71 and 869,396.79 is: 1,302,660.98
Step by Step Solution
- Step 1: Write the proportion equation
1,508,556.21 : 2,260,345.71 = 869,396.79 : x - Step 2: Convert to fraction form
1,508,556.21/2,260,345.71 = 869,396.79/x - Step 3: Cross multiply
1,508,556.21x = 2,260,345.71 × 869,396.79 - Step 4: Simplify right side
1,508,556.21x = 1,965,137,304,564.27 - Step 5: Solve for x
x = 1,965,137,304,564.27/1,508,556.21 - Step 6: Final answer
x = 1,302,660.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.