Finding the Fourth Proportional to 1,438,121.71, 1,984,605.63 and 793,541.41
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Solution
The fourth proportional to 1,438,121.71, 1,984,605.63 and 793,541.41 is: 1,095,085.86
Step by Step Solution
- Step 1: Write the proportion equation
1,438,121.71 : 1,984,605.63 = 793,541.41 : x - Step 2: Convert to fraction form
1,438,121.71/1,984,605.63 = 793,541.41/x - Step 3: Cross multiply
1,438,121.71x = 1,984,605.63 × 793,541.41 - Step 4: Simplify right side
1,438,121.71x = 1,574,866,749,924.14 - Step 5: Solve for x
x = 1,574,866,749,924.14/1,438,121.71 - Step 6: Final answer
x = 1,095,085.86
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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.