Finding the Fourth Proportional to 1,909,133.16, 2,634,613.68 and 1,049,748.78
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Solution
The fourth proportional to 1,909,133.16, 2,634,613.68 and 1,049,748.78 is: 1,448,658.77
Step by Step Solution
- Step 1: Write the proportion equation
1,909,133.16 : 2,634,613.68 = 1,049,748.78 : x - Step 2: Convert to fraction form
1,909,133.16/2,634,613.68 = 1,049,748.78/x - Step 3: Cross multiply
1,909,133.16x = 2,634,613.68 × 1,049,748.78 - Step 4: Simplify right side
1,909,133.16x = 2,765,682,496,351.31 - Step 5: Solve for x
x = 2,765,682,496,351.31/1,909,133.16 - Step 6: Final answer
x = 1,448,658.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.