Finding the Fourth Proportional to 1,438,510.99, 1,985,135.39 and 793,931.18
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Solution
The fourth proportional to 1,438,510.99, 1,985,135.39 and 793,931.18 is: 1,095,619.64
Step by Step Solution
- Step 1: Write the proportion equation
1,438,510.99 : 1,985,135.39 = 793,931.18 : x - Step 2: Convert to fraction form
1,438,510.99/1,985,135.39 = 793,931.18/x - Step 3: Cross multiply
1,438,510.99x = 1,985,135.39 × 793,931.18 - Step 4: Simplify right side
1,438,510.99x = 1,576,060,883,867.11 - Step 5: Solve for x
x = 1,576,060,883,867.11/1,438,510.99 - Step 6: Final answer
x = 1,095,619.64
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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.