Finding the Fourth Proportional to 1,561,824.79, 2,342,277.61 and 708,402.71
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Solution
The fourth proportional to 1,561,824.79, 2,342,277.61 and 708,402.71 is: 1,062,395.62
Step by Step Solution
- Step 1: Write the proportion equation
1,561,824.79 : 2,342,277.61 = 708,402.71 : x - Step 2: Convert to fraction form
1,561,824.79/2,342,277.61 = 708,402.71/x - Step 3: Cross multiply
1,561,824.79x = 2,342,277.61 × 708,402.71 - Step 4: Simplify right side
1,561,824.79x = 1,659,275,810,581.01 - Step 5: Solve for x
x = 1,659,275,810,581.01/1,561,824.79 - Step 6: Final answer
x = 1,062,395.62
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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.