Finding the Fourth Proportional to 1,606,613.58, 2,217,149.36 and 881,448.12
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Solution
The fourth proportional to 1,606,613.58, 2,217,149.36 and 881,448.12 is: 1,216,410.82
Step by Step Solution
- Step 1: Write the proportion equation
1,606,613.58 : 2,217,149.36 = 881,448.12 : x - Step 2: Convert to fraction form
1,606,613.58/2,217,149.36 = 881,448.12/x - Step 3: Cross multiply
1,606,613.58x = 2,217,149.36 × 881,448.12 - Step 4: Simplify right side
1,606,613.58x = 1,954,302,135,131.20 - Step 5: Solve for x
x = 1,954,302,135,131.20/1,606,613.58 - Step 6: Final answer
x = 1,216,410.82
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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.