Finding the Fourth Proportional to 5,164,650.51, 7,128,719.24 and 3,445,768.14
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Solution
The fourth proportional to 5,164,650.51, 7,128,719.24 and 3,445,768.14 is: 4,756,161.83
Step by Step Solution
- Step 1: Write the proportion equation
5,164,650.51 : 7,128,719.24 = 3,445,768.14 : x - Step 2: Convert to fraction form
5,164,650.51/7,128,719.24 = 3,445,768.14/x - Step 3: Cross multiply
5,164,650.51x = 7,128,719.24 × 3,445,768.14 - Step 4: Simplify right side
5,164,650.51x = 24,563,913,636,197.02 - Step 5: Solve for x
x = 24,563,913,636,197.02/5,164,650.51 - Step 6: Final answer
x = 4,756,161.83
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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.