Finding the Fourth Proportional to 5,681,844.13, 7,838,623.66 and 4,195,258.56
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Solution
The fourth proportional to 5,681,844.13, 7,838,623.66 and 4,195,258.56 is: 5,787,742.90
Step by Step Solution
- Step 1: Write the proportion equation
5,681,844.13 : 7,838,623.66 = 4,195,258.56 : x - Step 2: Convert to fraction form
5,681,844.13/7,838,623.66 = 4,195,258.56/x - Step 3: Cross multiply
5,681,844.13x = 7,838,623.66 × 4,195,258.56 - Step 4: Simplify right side
5,681,844.13x = 32,885,053,008,233.53 - Step 5: Solve for x
x = 32,885,053,008,233.53/5,681,844.13 - Step 6: Final answer
x = 5,787,742.90
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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.