Finding the Fourth Proportional to 1,676,295.76, 2,313,288.02 and 912,354.80
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Solution
The fourth proportional to 1,676,295.76, 2,313,288.02 and 912,354.80 is: 1,259,049.55
Step by Step Solution
- Step 1: Write the proportion equation
1,676,295.76 : 2,313,288.02 = 912,354.80 : x - Step 2: Convert to fraction form
1,676,295.76/2,313,288.02 = 912,354.80/x - Step 3: Cross multiply
1,676,295.76x = 2,313,288.02 × 912,354.80 - Step 4: Simplify right side
1,676,295.76x = 2,110,539,428,829.50 - Step 5: Solve for x
x = 2,110,539,428,829.50/1,676,295.76 - Step 6: Final answer
x = 1,259,049.55
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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.