Finding the Fourth Proportional to 2,000,346.78, 2,997,489.30 and 1,324,005.09
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Solution
The fourth proportional to 2,000,346.78, 2,997,489.30 and 1,324,005.09 is: 1,984,001.54
Step by Step Solution
- Step 1: Write the proportion equation
2,000,346.78 : 2,997,489.30 = 1,324,005.09 : x - Step 2: Convert to fraction form
2,000,346.78/2,997,489.30 = 1,324,005.09/x - Step 3: Cross multiply
2,000,346.78x = 2,997,489.30 × 1,324,005.09 - Step 4: Simplify right side
2,000,346.78x = 3,968,691,090,420.54 - Step 5: Solve for x
x = 3,968,691,090,420.54/2,000,346.78 - Step 6: Final answer
x = 1,984,001.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.