Finding the Fourth Proportional to 7,742,597.92, 10,685,059.54 and 4,258,206.09
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Solution
The fourth proportional to 7,742,597.92, 10,685,059.54 and 4,258,206.09 is: 5,876,475.32
Step by Step Solution
- Step 1: Write the proportion equation
7,742,597.92 : 10,685,059.54 = 4,258,206.09 : x - Step 2: Convert to fraction form
7,742,597.92/10,685,059.54 = 4,258,206.09/x - Step 3: Cross multiply
7,742,597.92x = 10,685,059.54 × 4,258,206.09 - Step 4: Simplify right side
7,742,597.92x = 45,499,185,594,595.08 - Step 5: Solve for x
x = 45,499,185,594,595.08/7,742,597.92 - Step 6: Final answer
x = 5,876,475.32
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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.