Finding the Fourth Proportional to 1,556,267.76, 2,147,814.63 and 912,229.07
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Solution
The fourth proportional to 1,556,267.76, 2,147,814.63 and 912,229.07 is: 1,258,972.90
Step by Step Solution
- Step 1: Write the proportion equation
1,556,267.76 : 2,147,814.63 = 912,229.07 : x - Step 2: Convert to fraction form
1,556,267.76/2,147,814.63 = 912,229.07/x - Step 3: Cross multiply
1,556,267.76x = 2,147,814.63 × 912,229.07 - Step 4: Simplify right side
1,556,267.76x = 1,959,298,931,718.22 - Step 5: Solve for x
x = 1,959,298,931,718.22/1,556,267.76 - Step 6: Final answer
x = 1,258,972.90
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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.