Finding the Fourth Proportional to 5,685,889.05, 7,847,921.08 and 3,239,941.87
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Solution
The fourth proportional to 5,685,889.05, 7,847,921.08 and 3,239,941.87 is: 4,471,914.22
Step by Step Solution
- Step 1: Write the proportion equation
5,685,889.05 : 7,847,921.08 = 3,239,941.87 : x - Step 2: Convert to fraction form
5,685,889.05/7,847,921.08 = 3,239,941.87/x - Step 3: Cross multiply
5,685,889.05x = 7,847,921.08 × 3,239,941.87 - Step 4: Simplify right side
5,685,889.05x = 25,426,808,099,547.62 - Step 5: Solve for x
x = 25,426,808,099,547.62/5,685,889.05 - Step 6: Final answer
x = 4,471,914.22
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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.