Finding the Fourth Proportional to 1,791,395.18, 2,472,229.31 and 1,349,078.07
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Solution
The fourth proportional to 1,791,395.18, 2,472,229.31 and 1,349,078.07 is: 1,861,806.03
Step by Step Solution
- Step 1: Write the proportion equation
1,791,395.18 : 2,472,229.31 = 1,349,078.07 : x - Step 2: Convert to fraction form
1,791,395.18/2,472,229.31 = 1,349,078.07/x - Step 3: Cross multiply
1,791,395.18x = 2,472,229.31 × 1,349,078.07 - Step 4: Simplify right side
1,791,395.18x = 3,335,230,346,132.23 - Step 5: Solve for x
x = 3,335,230,346,132.23/1,791,395.18 - Step 6: Final answer
x = 1,861,806.03
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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.