Finding the Fourth Proportional to 2,784,248.70, 3,842,368.82 and 1,560,576.84
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Solution
The fourth proportional to 2,784,248.70, 3,842,368.82 and 1,560,576.84 is: 2,153,655.23
Step by Step Solution
- Step 1: Write the proportion equation
2,784,248.70 : 3,842,368.82 = 1,560,576.84 : x - Step 2: Convert to fraction form
2,784,248.70/3,842,368.82 = 1,560,576.84/x - Step 3: Cross multiply
2,784,248.70x = 3,842,368.82 × 1,560,576.84 - Step 4: Simplify right side
2,784,248.70x = 5,996,311,764,215.40 - Step 5: Solve for x
x = 5,996,311,764,215.40/2,784,248.70 - Step 6: Final answer
x = 2,153,655.23
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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.