Finding the Fourth Proportional to 3,655,867.72, 5,484,922.62 and 1,635,811.96
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Solution
The fourth proportional to 3,655,867.72, 5,484,922.62 and 1,635,811.96 is: 2,454,219.55
Step by Step Solution
- Step 1: Write the proportion equation
3,655,867.72 : 5,484,922.62 = 1,635,811.96 : x - Step 2: Convert to fraction form
3,655,867.72/5,484,922.62 = 1,635,811.96/x - Step 3: Cross multiply
3,655,867.72x = 5,484,922.62 × 1,635,811.96 - Step 4: Simplify right side
3,655,867.72x = 8,972,302,021,470.54 - Step 5: Solve for x
x = 8,972,302,021,470.54/3,655,867.72 - Step 6: Final answer
x = 2,454,219.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.