Finding the Fourth Proportional to 2,947,442.38, 4,421,163.20 and 817,526.49
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Solution
The fourth proportional to 2,947,442.38, 4,421,163.20 and 817,526.49 is: 1,226,289.63
Step by Step Solution
- Step 1: Write the proportion equation
2,947,442.38 : 4,421,163.20 = 817,526.49 : x - Step 2: Convert to fraction form
2,947,442.38/4,421,163.20 = 817,526.49/x - Step 3: Cross multiply
2,947,442.38x = 4,421,163.20 × 817,526.49 - Step 4: Simplify right side
2,947,442.38x = 3,614,418,011,946.17 - Step 5: Solve for x
x = 3,614,418,011,946.17/2,947,442.38 - Step 6: Final answer
x = 1,226,289.63
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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.