Finding the Fourth Proportional to 4,482,432.66, 6,688,688.62 and 3,999,339.60
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Solution
The fourth proportional to 4,482,432.66, 6,688,688.62 and 3,999,339.60 is: 5,967,816.88
Step by Step Solution
- Step 1: Write the proportion equation
4,482,432.66 : 6,688,688.62 = 3,999,339.60 : x - Step 2: Convert to fraction form
4,482,432.66/6,688,688.62 = 3,999,339.60/x - Step 3: Cross multiply
4,482,432.66x = 6,688,688.62 × 3,999,339.60 - Step 4: Simplify right side
4,482,432.66x = 26,750,337,270,035.35 - Step 5: Solve for x
x = 26,750,337,270,035.35/4,482,432.66 - Step 6: Final answer
x = 5,967,816.88
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.