Finding the Fourth Proportional to 1,689,368.23, 2,331,328.61 and 925,448.95
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Solution
The fourth proportional to 1,689,368.23, 2,331,328.61 and 925,448.95 is: 1,277,119.80
Step by Step Solution
- Step 1: Write the proportion equation
1,689,368.23 : 2,331,328.61 = 925,448.95 : x - Step 2: Convert to fraction form
1,689,368.23/2,331,328.61 = 925,448.95/x - Step 3: Cross multiply
1,689,368.23x = 2,331,328.61 × 925,448.95 - Step 4: Simplify right side
1,689,368.23x = 2,157,525,614,229.46 - Step 5: Solve for x
x = 2,157,525,614,229.46/1,689,368.23 - Step 6: Final answer
x = 1,277,119.80
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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.