Finding the Fourth Proportional to 2,867,632.16, 3,956,869.34 and 1,643,712.44
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Solution
The fourth proportional to 2,867,632.16, 3,956,869.34 and 1,643,712.44 is: 2,268,057.75
Step by Step Solution
- Step 1: Write the proportion equation
2,867,632.16 : 3,956,869.34 = 1,643,712.44 : x - Step 2: Convert to fraction form
2,867,632.16/3,956,869.34 = 1,643,712.44/x - Step 3: Cross multiply
2,867,632.16x = 3,956,869.34 × 1,643,712.44 - Step 4: Simplify right side
2,867,632.16x = 6,503,955,357,612.59 - Step 5: Solve for x
x = 6,503,955,357,612.59/2,867,632.16 - Step 6: Final answer
x = 2,268,057.75
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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.