Finding the Fourth Proportional to 1,578,180.60, 2,177,898.84 and 853,026.48
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Solution
The fourth proportional to 1,578,180.60, 2,177,898.84 and 853,026.48 is: 1,177,181.74
Step by Step Solution
- Step 1: Write the proportion equation
1,578,180.60 : 2,177,898.84 = 853,026.48 : x - Step 2: Convert to fraction form
1,578,180.60/2,177,898.84 = 853,026.48/x - Step 3: Cross multiply
1,578,180.60x = 2,177,898.84 × 853,026.48 - Step 4: Simplify right side
1,578,180.60x = 1,857,805,381,281.28 - Step 5: Solve for x
x = 1,857,805,381,281.28/1,578,180.60 - Step 6: Final answer
x = 1,177,181.74
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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.