Finding the Fourth Proportional to 1,490,904.70, 2,236,357.05 and 1,018,512.70
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Solution
The fourth proportional to 1,490,904.70, 2,236,357.05 and 1,018,512.70 is: 1,527,769.05
Step by Step Solution
- Step 1: Write the proportion equation
1,490,904.70 : 2,236,357.05 = 1,018,512.70 : x - Step 2: Convert to fraction form
1,490,904.70/2,236,357.05 = 1,018,512.70/x - Step 3: Cross multiply
1,490,904.70x = 2,236,357.05 × 1,018,512.70 - Step 4: Simplify right side
1,490,904.70x = 2,277,758,057,159.53 - Step 5: Solve for x
x = 2,277,758,057,159.53/1,490,904.70 - Step 6: Final answer
x = 1,527,769.05
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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.