Finding the Fourth Proportional to 1,877,608.20, 2,811,746.70 and 1,504,360.20
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Solution
The fourth proportional to 1,877,608.20, 2,811,746.70 and 1,504,360.20 is: 2,252,802.17
Step by Step Solution
- Step 1: Write the proportion equation
1,877,608.20 : 2,811,746.70 = 1,504,360.20 : x - Step 2: Convert to fraction form
1,877,608.20/2,811,746.70 = 1,504,360.20/x - Step 3: Cross multiply
1,877,608.20x = 2,811,746.70 × 1,504,360.20 - Step 4: Simplify right side
1,877,608.20x = 4,229,879,827,961.34 - Step 5: Solve for x
x = 4,229,879,827,961.34/1,877,608.20 - Step 6: Final answer
x = 2,252,802.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.