Finding the Fourth Proportional to 4,818,230.48, 7,214,719.80 and 3,390,556.88
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Solution
The fourth proportional to 4,818,230.48, 7,214,719.80 and 3,390,556.88 is: 5,076,950.54
Step by Step Solution
- Step 1: Write the proportion equation
4,818,230.48 : 7,214,719.80 = 3,390,556.88 : x - Step 2: Convert to fraction form
4,818,230.48/7,214,719.80 = 3,390,556.88/x - Step 3: Cross multiply
4,818,230.48x = 7,214,719.80 × 3,390,556.88 - Step 4: Simplify right side
4,818,230.48x = 24,461,917,855,162.22 - Step 5: Solve for x
x = 24,461,917,855,162.22/4,818,230.48 - Step 6: Final answer
x = 5,076,950.54
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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.