Finding the Fourth Proportional to 5,426,604.24, 7,489,423.80 and 3,134,783.76
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Solution
The fourth proportional to 5,426,604.24, 7,489,423.80 and 3,134,783.76 is: 4,326,411.70
Step by Step Solution
- Step 1: Write the proportion equation
5,426,604.24 : 7,489,423.80 = 3,134,783.76 : x - Step 2: Convert to fraction form
5,426,604.24/7,489,423.80 = 3,134,783.76/x - Step 3: Cross multiply
5,426,604.24x = 7,489,423.80 × 3,134,783.76 - Step 4: Simplify right side
5,426,604.24x = 23,477,724,099,997.48 - Step 5: Solve for x
x = 23,477,724,099,997.48/5,426,604.24 - Step 6: Final answer
x = 4,326,411.70
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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.