Finding the Fourth Proportional to 1,663,422.75, 2,295,087.08 and 974,724.84
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Solution
The fourth proportional to 1,663,422.75, 2,295,087.08 and 974,724.84 is: 1,344,864.61
Step by Step Solution
- Step 1: Write the proportion equation
1,663,422.75 : 2,295,087.08 = 974,724.84 : x - Step 2: Convert to fraction form
1,663,422.75/2,295,087.08 = 974,724.84/x - Step 3: Cross multiply
1,663,422.75x = 2,295,087.08 × 974,724.84 - Step 4: Simplify right side
1,663,422.75x = 2,237,078,381,965.44 - Step 5: Solve for x
x = 2,237,078,381,965.44/1,663,422.75 - Step 6: Final answer
x = 1,344,864.61
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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.