Finding the Fourth Proportional to 1,537,660.80, 2,306,491.20 and 791,164.80
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Solution
The fourth proportional to 1,537,660.80, 2,306,491.20 and 791,164.80 is: 1,186,747.20
Step by Step Solution
- Step 1: Write the proportion equation
1,537,660.80 : 2,306,491.20 = 791,164.80 : x - Step 2: Convert to fraction form
1,537,660.80/2,306,491.20 = 791,164.80/x - Step 3: Cross multiply
1,537,660.80x = 2,306,491.20 × 791,164.80 - Step 4: Simplify right side
1,537,660.80x = 1,824,814,648,949.76 - Step 5: Solve for x
x = 1,824,814,648,949.76/1,537,660.80 - Step 6: Final answer
x = 1,186,747.20
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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.