Finding the Fourth Proportional to 1,497,811.80, 2,246,717.70 and 1,415,143.20
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Solution
The fourth proportional to 1,497,811.80, 2,246,717.70 and 1,415,143.20 is: 2,122,714.80
Step by Step Solution
- Step 1: Write the proportion equation
1,497,811.80 : 2,246,717.70 = 1,415,143.20 : x - Step 2: Convert to fraction form
1,497,811.80/2,246,717.70 = 1,415,143.20/x - Step 3: Cross multiply
1,497,811.80x = 2,246,717.70 × 1,415,143.20 - Step 4: Simplify right side
1,497,811.80x = 3,179,427,275,474.64 - Step 5: Solve for x
x = 3,179,427,275,474.64/1,497,811.80 - Step 6: Final answer
x = 2,122,714.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.