Finding the Fourth Proportional to 4,905,707.75, 7,358,000.14 and 1,311,754.95
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Solution
The fourth proportional to 4,905,707.75, 7,358,000.14 and 1,311,754.95 is: 1,967,482.29
Step by Step Solution
- Step 1: Write the proportion equation
4,905,707.75 : 7,358,000.14 = 1,311,754.95 : x - Step 2: Convert to fraction form
4,905,707.75/7,358,000.14 = 1,311,754.95/x - Step 3: Cross multiply
4,905,707.75x = 7,358,000.14 × 1,311,754.95 - Step 4: Simplify right side
4,905,707.75x = 9,651,893,107,385.39 - Step 5: Solve for x
x = 9,651,893,107,385.39/4,905,707.75 - Step 6: Final answer
x = 1,967,482.29
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.