Finding the Fourth Proportional to 3,462,688, 4,778,420.34 and 1,934,807.68
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Solution
The fourth proportional to 3,462,688, 4,778,420.34 and 1,934,807.68 is: 2,669,984.81
Step by Step Solution
- Step 1: Write the proportion equation
3,462,688 : 4,778,420.34 = 1,934,807.68 : x - Step 2: Convert to fraction form
3,462,688/4,778,420.34 = 1,934,807.68/x - Step 3: Cross multiply
3,462,688x = 4,778,420.34 × 1,934,807.68 - Step 4: Simplify right side
3,462,688x = 9,245,324,372,100.21 - Step 5: Solve for x
x = 9,245,324,372,100.21/3,462,688 - Step 6: Final answer
x = 2,669,984.81
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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.