Finding the Fourth Proportional to 1,556,701.35, 2,148,301.20 and 903,278.14
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Solution
The fourth proportional to 1,556,701.35, 2,148,301.20 and 903,278.14 is: 1,246,554.79
Step by Step Solution
- Step 1: Write the proportion equation
1,556,701.35 : 2,148,301.20 = 903,278.14 : x - Step 2: Convert to fraction form
1,556,701.35/2,148,301.20 = 903,278.14/x - Step 3: Cross multiply
1,556,701.35x = 2,148,301.20 × 903,278.14 - Step 4: Simplify right side
1,556,701.35x = 1,940,513,514,575.09 - Step 5: Solve for x
x = 1,940,513,514,575.09/1,556,701.35 - Step 6: Final answer
x = 1,246,554.79
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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.