Finding the Fourth Proportional to 2,117,148.48, 2,922,126.84 and 1,302,053.40
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Solution
The fourth proportional to 2,117,148.48, 2,922,126.84 and 1,302,053.40 is: 1,797,117.79
Step by Step Solution
- Step 1: Write the proportion equation
2,117,148.48 : 2,922,126.84 = 1,302,053.40 : x - Step 2: Convert to fraction form
2,117,148.48/2,922,126.84 = 1,302,053.40/x - Step 3: Cross multiply
2,117,148.48x = 2,922,126.84 × 1,302,053.40 - Step 4: Simplify right side
2,117,148.48x = 3,804,765,187,253.26 - Step 5: Solve for x
x = 3,804,765,187,253.26/2,117,148.48 - Step 6: Final answer
x = 1,797,117.79
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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.