Finding the Fourth Proportional to 7,719,258.68, 11,579,924.82 and 2,928,724.28
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Solution
The fourth proportional to 7,719,258.68, 11,579,924.82 and 2,928,724.28 is: 4,393,479.79
Step by Step Solution
- Step 1: Write the proportion equation
7,719,258.68 : 11,579,924.82 = 2,928,724.28 : x - Step 2: Convert to fraction form
7,719,258.68/11,579,924.82 = 2,928,724.28/x - Step 3: Cross multiply
7,719,258.68x = 11,579,924.82 × 2,928,724.28 - Step 4: Simplify right side
7,719,258.68x = 33,914,406,980,908.63 - Step 5: Solve for x
x = 33,914,406,980,908.63/7,719,258.68 - Step 6: Final answer
x = 4,393,479.79
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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.