Finding the Fourth Proportional to 4,653,193.21, 6,421,406.61 and 2,721,077.08
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Solution
The fourth proportional to 4,653,193.21, 6,421,406.61 and 2,721,077.08 is: 3,755,086.36
Step by Step Solution
- Step 1: Write the proportion equation
4,653,193.21 : 6,421,406.61 = 2,721,077.08 : x - Step 2: Convert to fraction form
4,653,193.21/6,421,406.61 = 2,721,077.08/x - Step 3: Cross multiply
4,653,193.21x = 6,421,406.61 × 2,721,077.08 - Step 4: Simplify right side
4,653,193.21x = 17,473,142,347,831.50 - Step 5: Solve for x
x = 17,473,142,347,831.50/4,653,193.21 - Step 6: Final answer
x = 3,755,086.36
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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.