Finding the Fourth Proportional to 2,239,664.18, 3,090,603.40 and 1,272,660.26
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Solution
The fourth proportional to 2,239,664.18, 3,090,603.40 and 1,272,660.26 is: 1,756,195.48
Step by Step Solution
- Step 1: Write the proportion equation
2,239,664.18 : 3,090,603.40 = 1,272,660.26 : x - Step 2: Convert to fraction form
2,239,664.18/3,090,603.40 = 1,272,660.26/x - Step 3: Cross multiply
2,239,664.18x = 3,090,603.40 × 1,272,660.26 - Step 4: Simplify right side
2,239,664.18x = 3,933,288,107,966.22 - Step 5: Solve for x
x = 3,933,288,107,966.22/2,239,664.18 - Step 6: Final answer
x = 1,756,195.48
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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.