Finding the Fourth Proportional to 2,947,442.88, 4,421,163.95 and 817,526.99
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Solution
The fourth proportional to 2,947,442.88, 4,421,163.95 and 817,526.99 is: 1,226,290.37
Step by Step Solution
- Step 1: Write the proportion equation
2,947,442.88 : 4,421,163.95 = 817,526.99 : x - Step 2: Convert to fraction form
2,947,442.88/4,421,163.95 = 817,526.99/x - Step 3: Cross multiply
2,947,442.88x = 4,421,163.95 × 817,526.99 - Step 4: Simplify right side
2,947,442.88x = 3,614,420,830,146.56 - Step 5: Solve for x
x = 3,614,420,830,146.56/2,947,442.88 - Step 6: Final answer
x = 1,226,290.37
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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.