Finding the Fourth Proportional to 1,893,615.09, 2,613,253.31 and 1,119,909.17
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Solution
The fourth proportional to 1,893,615.09, 2,613,253.31 and 1,119,909.17 is: 1,545,512.79
Step by Step Solution
- Step 1: Write the proportion equation
1,893,615.09 : 2,613,253.31 = 1,119,909.17 : x - Step 2: Convert to fraction form
1,893,615.09/2,613,253.31 = 1,119,909.17/x - Step 3: Cross multiply
1,893,615.09x = 2,613,253.31 × 1,119,909.17 - Step 4: Simplify right side
1,893,615.09x = 2,926,606,335,135.36 - Step 5: Solve for x
x = 2,926,606,335,135.36/1,893,615.09 - Step 6: Final answer
x = 1,545,512.79
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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.