Finding the Fourth Proportional to 1,413,404.74, 2,120,343.58 and 1,109,786.65
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Solution
The fourth proportional to 1,413,404.74, 2,120,343.58 and 1,109,786.65 is: 1,664,865.65
Step by Step Solution
- Step 1: Write the proportion equation
1,413,404.74 : 2,120,343.58 = 1,109,786.65 : x - Step 2: Convert to fraction form
1,413,404.74/2,120,343.58 = 1,109,786.65/x - Step 3: Cross multiply
1,413,404.74x = 2,120,343.58 × 1,109,786.65 - Step 4: Simplify right side
1,413,404.74x = 2,353,128,998,497.21 - Step 5: Solve for x
x = 2,353,128,998,497.21/1,413,404.74 - Step 6: Final answer
x = 1,664,865.65
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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.