Finding the Fourth Proportional to 4,984,503.21, 6,878,620.58 and 2,692,663.88
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Solution
The fourth proportional to 4,984,503.21, 6,878,620.58 and 2,692,663.88 is: 3,715,879.47
Step by Step Solution
- Step 1: Write the proportion equation
4,984,503.21 : 6,878,620.58 = 2,692,663.88 : x - Step 2: Convert to fraction form
4,984,503.21/6,878,620.58 = 2,692,663.88/x - Step 3: Cross multiply
4,984,503.21x = 6,878,620.58 × 2,692,663.88 - Step 4: Simplify right side
4,984,503.21x = 18,521,813,132,134.23 - Step 5: Solve for x
x = 18,521,813,132,134.23/4,984,503.21 - Step 6: Final answer
x = 3,715,879.47
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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.