Finding the Fourth Proportional to 4,937,746.22, 6,813,931.64 and 2,762,242.56
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Solution
The fourth proportional to 4,937,746.22, 6,813,931.64 and 2,762,242.56 is: 3,811,806.27
Step by Step Solution
- Step 1: Write the proportion equation
4,937,746.22 : 6,813,931.64 = 2,762,242.56 : x - Step 2: Convert to fraction form
4,937,746.22/6,813,931.64 = 2,762,242.56/x - Step 3: Cross multiply
4,937,746.22x = 6,813,931.64 × 2,762,242.56 - Step 4: Simplify right side
4,937,746.22x = 18,821,731,976,938.60 - Step 5: Solve for x
x = 18,821,731,976,938.60/4,937,746.22 - Step 6: Final answer
x = 3,811,806.27
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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.