Finding the Fourth Proportional to 3,462,673.92, 4,778,179.20 and 1,934,568.96
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Solution
The fourth proportional to 3,462,673.92, 4,778,179.20 and 1,934,568.96 is: 2,669,531.52
Step by Step Solution
- Step 1: Write the proportion equation
3,462,673.92 : 4,778,179.20 = 1,934,568.96 : x - Step 2: Convert to fraction form
3,462,673.92/4,778,179.20 = 1,934,568.96/x - Step 3: Cross multiply
3,462,673.92x = 4,778,179.20 × 1,934,568.96 - Step 4: Simplify right side
3,462,673.92x = 9,243,717,165,637.63 - Step 5: Solve for x
x = 9,243,717,165,637.63/3,462,673.92 - Step 6: Final answer
x = 2,669,531.52
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1.5x scale
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.