Finding the Fourth Proportional to 1,606,948.21, 2,217,726.27 and 881,936.08
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Solution
The fourth proportional to 1,606,948.21, 2,217,726.27 and 881,936.08 is: 1,217,147.39
Step by Step Solution
- Step 1: Write the proportion equation
1,606,948.21 : 2,217,726.27 = 881,936.08 : x - Step 2: Convert to fraction form
1,606,948.21/2,217,726.27 = 881,936.08/x - Step 3: Cross multiply
1,606,948.21x = 2,217,726.27 × 881,936.08 - Step 4: Simplify right side
1,606,948.21x = 1,955,892,813,076.82 - Step 5: Solve for x
x = 1,955,892,813,076.82/1,606,948.21 - Step 6: Final answer
x = 1,217,147.39
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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.