Finding the Fourth Proportional to 6,982,880.21, 10,475,827.93 and 2,125,566.53
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Solution
The fourth proportional to 6,982,880.21, 10,475,827.93 and 2,125,566.53 is: 3,188,808.72
Step by Step Solution
- Step 1: Write the proportion equation
6,982,880.21 : 10,475,827.93 = 2,125,566.53 : x - Step 2: Convert to fraction form
6,982,880.21/10,475,827.93 = 2,125,566.53/x - Step 3: Cross multiply
6,982,880.21x = 10,475,827.93 × 2,125,566.53 - Step 4: Simplify right side
6,982,880.21x = 22,267,069,266,550.45 - Step 5: Solve for x
x = 22,267,069,266,550.45/6,982,880.21 - Step 6: Final answer
x = 3,188,808.72
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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.