Finding the Fourth Proportional to 1,516,465.13, 2,273,574.11 and 716,812.28
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Solution
The fourth proportional to 1,516,465.13, 2,273,574.11 and 716,812.28 is: 1,074,687.32
Step by Step Solution
- Step 1: Write the proportion equation
1,516,465.13 : 2,273,574.11 = 716,812.28 : x - Step 2: Convert to fraction form
1,516,465.13/2,273,574.11 = 716,812.28/x - Step 3: Cross multiply
1,516,465.13x = 2,273,574.11 × 716,812.28 - Step 4: Simplify right side
1,516,465.13x = 1,629,725,841,538.07 - Step 5: Solve for x
x = 1,629,725,841,538.07/1,516,465.13 - Step 6: Final answer
x = 1,074,687.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.