Finding the Fourth Proportional to 4,894,782.87, 6,754,920.70 and 2,689,628.02
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Solution
The fourth proportional to 4,894,782.87, 6,754,920.70 and 2,689,628.02 is: 3,711,752.79
Step by Step Solution
- Step 1: Write the proportion equation
4,894,782.87 : 6,754,920.70 = 2,689,628.02 : x - Step 2: Convert to fraction form
4,894,782.87/6,754,920.70 = 2,689,628.02/x - Step 3: Cross multiply
4,894,782.87x = 6,754,920.70 × 2,689,628.02 - Step 4: Simplify right side
4,894,782.87x = 18,168,223,987,598.02 - Step 5: Solve for x
x = 18,168,223,987,598.02/4,894,782.87 - Step 6: Final answer
x = 3,711,752.79
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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.