Finding the Fourth Proportional to 1,877,752.80, 2,591,293.68 and 1,018,310.40
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Solution
The fourth proportional to 1,877,752.80, 2,591,293.68 and 1,018,310.40 is: 1,405,265.54
Step by Step Solution
- Step 1: Write the proportion equation
1,877,752.80 : 2,591,293.68 = 1,018,310.40 : x - Step 2: Convert to fraction form
1,877,752.80/2,591,293.68 = 1,018,310.40/x - Step 3: Cross multiply
1,877,752.80x = 2,591,293.68 × 1,018,310.40 - Step 4: Simplify right side
1,877,752.80x = 2,638,741,303,798.27 - Step 5: Solve for x
x = 2,638,741,303,798.27/1,877,752.80 - Step 6: Final answer
x = 1,405,265.54
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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.