Finding the Fourth Proportional to 1,358,713.14, 1,874,399.21 and 1,203,822.46
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Solution
The fourth proportional to 1,358,713.14, 1,874,399.21 and 1,203,822.46 is: 1,660,721.31
Step by Step Solution
- Step 1: Write the proportion equation
1,358,713.14 : 1,874,399.21 = 1,203,822.46 : x - Step 2: Convert to fraction form
1,358,713.14/1,874,399.21 = 1,203,822.46/x - Step 3: Cross multiply
1,358,713.14x = 1,874,399.21 × 1,203,822.46 - Step 4: Simplify right side
1,358,713.14x = 2,256,443,854,913.23 - Step 5: Solve for x
x = 2,256,443,854,913.23/1,358,713.14 - Step 6: Final answer
x = 1,660,721.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.