Finding the Fourth Proportional to 2,671,743.05, 3,998,154.38 and 1,661,340.81
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Solution
The fourth proportional to 2,671,743.05, 3,998,154.38 and 1,661,340.81 is: 2,486,128.69
Step by Step Solution
- Step 1: Write the proportion equation
2,671,743.05 : 3,998,154.38 = 1,661,340.81 : x - Step 2: Convert to fraction form
2,671,743.05/3,998,154.38 = 1,661,340.81/x - Step 3: Cross multiply
2,671,743.05x = 3,998,154.38 × 1,661,340.81 - Step 4: Simplify right side
2,671,743.05x = 6,642,297,027,867.54 - Step 5: Solve for x
x = 6,642,297,027,867.54/2,671,743.05 - Step 6: Final answer
x = 2,486,128.69
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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.