Finding the Fourth Proportional to 1,507,780.76, 2,080,753.52 and 819,452.70
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Solution
The fourth proportional to 1,507,780.76, 2,080,753.52 and 819,452.70 is: 1,130,853.46
Step by Step Solution
- Step 1: Write the proportion equation
1,507,780.76 : 2,080,753.52 = 819,452.70 : x - Step 2: Convert to fraction form
1,507,780.76/2,080,753.52 = 819,452.70/x - Step 3: Cross multiply
1,507,780.76x = 2,080,753.52 × 819,452.70 - Step 4: Simplify right side
1,507,780.76x = 1,705,079,085,901.24 - Step 5: Solve for x
x = 1,705,079,085,901.24/1,507,780.76 - Step 6: Final answer
x = 1,130,853.46
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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.