Finding the Fourth Proportional to 1,435,663.09, 1,981,303.50 and 791,083.18
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Solution
The fourth proportional to 1,435,663.09, 1,981,303.50 and 791,083.18 is: 1,091,743.52
Step by Step Solution
- Step 1: Write the proportion equation
1,435,663.09 : 1,981,303.50 = 791,083.18 : x - Step 2: Convert to fraction form
1,435,663.09/1,981,303.50 = 791,083.18/x - Step 3: Cross multiply
1,435,663.09x = 1,981,303.50 × 791,083.18 - Step 4: Simplify right side
1,435,663.09x = 1,567,375,873,325.13 - Step 5: Solve for x
x = 1,567,375,873,325.13/1,435,663.09 - Step 6: Final answer
x = 1,091,743.52
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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.