Finding the Fourth Proportional to 2,872,091.88, 3,963,435.36 and 1,565,355.68
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Solution
The fourth proportional to 2,872,091.88, 3,963,435.36 and 1,565,355.68 is: 2,160,162.81
Step by Step Solution
- Step 1: Write the proportion equation
2,872,091.88 : 3,963,435.36 = 1,565,355.68 : x - Step 2: Convert to fraction form
2,872,091.88/3,963,435.36 = 1,565,355.68/x - Step 3: Cross multiply
2,872,091.88x = 3,963,435.36 × 1,565,355.68 - Step 4: Simplify right side
2,872,091.88x = 6,204,186,053,088.85 - Step 5: Solve for x
x = 6,204,186,053,088.85/2,872,091.88 - Step 6: Final answer
x = 2,160,162.81
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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.