Finding the Fourth Proportional to 4,976,688.87, 6,868,950.81 and 3,256,812.93
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Solution
The fourth proportional to 4,976,688.87, 6,868,950.81 and 3,256,812.93 is: 4,495,134.90
Step by Step Solution
- Step 1: Write the proportion equation
4,976,688.87 : 6,868,950.81 = 3,256,812.93 : x - Step 2: Convert to fraction form
4,976,688.87/6,868,950.81 = 3,256,812.93/x - Step 3: Cross multiply
4,976,688.87x = 6,868,950.81 × 3,256,812.93 - Step 4: Simplify right side
4,976,688.87x = 22,370,887,813,541.97 - Step 5: Solve for x
x = 22,370,887,813,541.97/4,976,688.87 - Step 6: Final answer
x = 4,495,134.90
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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.