Finding the Fourth Proportional to 4,903,697.16, 6,766,931.79 and 2,698,353.68
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Solution
The fourth proportional to 4,903,697.16, 6,766,931.79 and 2,698,353.68 is: 3,723,634.37
Step by Step Solution
- Step 1: Write the proportion equation
4,903,697.16 : 6,766,931.79 = 2,698,353.68 : x - Step 2: Convert to fraction form
4,903,697.16/6,766,931.79 = 2,698,353.68/x - Step 3: Cross multiply
4,903,697.16x = 6,766,931.79 × 2,698,353.68 - Step 4: Simplify right side
4,903,697.16x = 18,259,575,264,020.83 - Step 5: Solve for x
x = 18,259,575,264,020.83/4,903,697.16 - Step 6: Final answer
x = 3,723,634.37
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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.