Finding the Fourth Proportional to 2,872,101.92, 3,963,449.16 and 1,565,365.68
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Solution
The fourth proportional to 2,872,101.92, 3,963,449.16 and 1,565,365.68 is: 2,160,176.58
Step by Step Solution
- Step 1: Write the proportion equation
2,872,101.92 : 3,963,449.16 = 1,565,365.68 : x - Step 2: Convert to fraction form
2,872,101.92/3,963,449.16 = 1,565,365.68/x - Step 3: Cross multiply
2,872,101.92x = 3,963,449.16 × 1,565,365.68 - Step 4: Simplify right side
2,872,101.92x = 6,204,247,289,488.83 - Step 5: Solve for x
x = 6,204,247,289,488.83/2,872,101.92 - Step 6: Final answer
x = 2,160,176.58
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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.