Finding the Fourth Proportional to 5,022,999.48, 6,931,688.94 and 2,731,160.28
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Solution
The fourth proportional to 5,022,999.48, 6,931,688.94 and 2,731,160.28 is: 3,768,973.81
Step by Step Solution
- Step 1: Write the proportion equation
5,022,999.48 : 6,931,688.94 = 2,731,160.28 : x - Step 2: Convert to fraction form
5,022,999.48/6,931,688.94 = 2,731,160.28/x - Step 3: Cross multiply
5,022,999.48x = 6,931,688.94 × 2,731,160.28 - Step 4: Simplify right side
5,022,999.48x = 18,931,553,506,243.30 - Step 5: Solve for x
x = 18,931,553,506,243.30/5,022,999.48 - Step 6: Final answer
x = 3,768,973.81
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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.