Finding the Fourth Proportional to 4,329,117.60, 6,509,422.80 and 4,234,639.20
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Solution
The fourth proportional to 4,329,117.60, 6,509,422.80 and 4,234,639.20 is: 6,367,361.55
Step by Step Solution
- Step 1: Write the proportion equation
4,329,117.60 : 6,509,422.80 = 4,234,639.20 : x - Step 2: Convert to fraction form
4,329,117.60/6,509,422.80 = 4,234,639.20/x - Step 3: Cross multiply
4,329,117.60x = 6,509,422.80 × 4,234,639.20 - Step 4: Simplify right side
4,329,117.60x = 27,565,056,958,253.76 - Step 5: Solve for x
x = 27,565,056,958,253.76/4,329,117.60 - Step 6: Final answer
x = 6,367,361.55
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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.