Finding the Fourth Proportional to 3,163,032.50, 4,364,990.76 and 1,767,594.09
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Solution
The fourth proportional to 3,163,032.50, 4,364,990.76 and 1,767,594.09 is: 2,439,283.15
Step by Step Solution
- Step 1: Write the proportion equation
3,163,032.50 : 4,364,990.76 = 1,767,594.09 : x - Step 2: Convert to fraction form
3,163,032.50/4,364,990.76 = 1,767,594.09/x - Step 3: Cross multiply
3,163,032.50x = 4,364,990.76 × 1,767,594.09 - Step 4: Simplify right side
3,163,032.50x = 7,715,531,870,280.61 - Step 5: Solve for x
x = 7,715,531,870,280.61/3,163,032.50 - Step 6: Final answer
x = 2,439,283.15
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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.