Finding the Fourth Proportional to 1,608,785.76, 2,413,489.68 and 611,436
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Solution
The fourth proportional to 1,608,785.76, 2,413,489.68 and 611,436 is: 917,272.21
Step by Step Solution
- Step 1: Write the proportion equation
1,608,785.76 : 2,413,489.68 = 611,436 : x - Step 2: Convert to fraction form
1,608,785.76/2,413,489.68 = 611,436/x - Step 3: Cross multiply
1,608,785.76x = 2,413,489.68 × 611,436 - Step 4: Simplify right side
1,608,785.76x = 1,475,694,475,980.48 - Step 5: Solve for x
x = 1,475,694,475,980.48/1,608,785.76 - Step 6: Final answer
x = 917,272.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.