Finding the Fourth Proportional to 1,507,078.68, 2,250,862.97 and 1,364,639.28
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Solution
The fourth proportional to 1,507,078.68, 2,250,862.97 and 1,364,639.28 is: 2,038,125.85
Step by Step Solution
- Step 1: Write the proportion equation
1,507,078.68 : 2,250,862.97 = 1,364,639.28 : x - Step 2: Convert to fraction form
1,507,078.68/2,250,862.97 = 1,364,639.28/x - Step 3: Cross multiply
1,507,078.68x = 2,250,862.97 × 1,364,639.28 - Step 4: Simplify right side
1,507,078.68x = 3,071,616,022,759.46 - Step 5: Solve for x
x = 3,071,616,022,759.46/1,507,078.68 - Step 6: Final answer
x = 2,038,125.85
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.