Finding the Fourth Proportional to 1,490,902.70, 2,236,354.05 and 1,018,510.70
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Solution
The fourth proportional to 1,490,902.70, 2,236,354.05 and 1,018,510.70 is: 1,527,766.05
Step by Step Solution
- Step 1: Write the proportion equation
1,490,902.70 : 2,236,354.05 = 1,018,510.70 : x - Step 2: Convert to fraction form
1,490,902.70/2,236,354.05 = 1,018,510.70/x - Step 3: Cross multiply
1,490,902.70x = 2,236,354.05 × 1,018,510.70 - Step 4: Simplify right side
1,490,902.70x = 2,277,750,528,913.33 - Step 5: Solve for x
x = 2,277,750,528,913.33/1,490,902.70 - Step 6: Final answer
x = 1,527,766.05
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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.