Finding the Fourth Proportional to 5,742,108.28, 7,924,009.64 and 3,128,633.84
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Solution
The fourth proportional to 5,742,108.28, 7,924,009.64 and 3,128,633.84 is: 4,317,460.33
Step by Step Solution
- Step 1: Write the proportion equation
5,742,108.28 : 7,924,009.64 = 3,128,633.84 : x - Step 2: Convert to fraction form
5,742,108.28/7,924,009.64 = 3,128,633.84/x - Step 3: Cross multiply
5,742,108.28x = 7,924,009.64 × 3,128,633.84 - Step 4: Simplify right side
5,742,108.28x = 24,791,324,685,383.08 - Step 5: Solve for x
x = 24,791,324,685,383.08/5,742,108.28 - Step 6: Final answer
x = 4,317,460.33
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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.