Finding the Fourth Proportional to 1,708,778.97, 2,563,557.26 and 909,639.45
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Solution
The fourth proportional to 1,708,778.97, 2,563,557.26 and 909,639.45 is: 1,364,666.15
Step by Step Solution
- Step 1: Write the proportion equation
1,708,778.97 : 2,563,557.26 = 909,639.45 : x - Step 2: Convert to fraction form
1,708,778.97/2,563,557.26 = 909,639.45/x - Step 3: Cross multiply
1,708,778.97x = 2,563,557.26 × 909,639.45 - Step 4: Simplify right side
1,708,778.97x = 2,331,912,811,481.71 - Step 5: Solve for x
x = 2,331,912,811,481.71/1,708,778.97 - Step 6: Final answer
x = 1,364,666.15
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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.