Finding the Fourth Proportional to 2,912,756.90, 4,368,434.70 and 1,492,081.70
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Solution
The fourth proportional to 2,912,756.90, 4,368,434.70 and 1,492,081.70 is: 2,237,763.64
Step by Step Solution
- Step 1: Write the proportion equation
2,912,756.90 : 4,368,434.70 = 1,492,081.70 : x - Step 2: Convert to fraction form
2,912,756.90/4,368,434.70 = 1,492,081.70/x - Step 3: Cross multiply
2,912,756.90x = 4,368,434.70 × 1,492,081.70 - Step 4: Simplify right side
2,912,756.90x = 6,518,061,473,514.99 - Step 5: Solve for x
x = 6,518,061,473,514.99/2,912,756.90 - Step 6: Final answer
x = 2,237,763.64
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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.