Finding the Fourth Proportional to 1,497,807.80, 2,246,711.70 and 1,415,139.20
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Solution
The fourth proportional to 1,497,807.80, 2,246,711.70 and 1,415,139.20 is: 2,122,708.80
Step by Step Solution
- Step 1: Write the proportion equation
1,497,807.80 : 2,246,711.70 = 1,415,139.20 : x - Step 2: Convert to fraction form
1,497,807.80/2,246,711.70 = 1,415,139.20/x - Step 3: Cross multiply
1,497,807.80x = 2,246,711.70 × 1,415,139.20 - Step 4: Simplify right side
1,497,807.80x = 3,179,409,797,768.64 - Step 5: Solve for x
x = 3,179,409,797,768.64/1,497,807.80 - Step 6: Final answer
x = 2,122,708.80
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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.