Finding the Fourth Proportional to 1,418,171.49, 2,127,275.76 and 471,542.21
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Solution
The fourth proportional to 1,418,171.49, 2,127,275.76 and 471,542.21 is: 707,319.47
Step by Step Solution
- Step 1: Write the proportion equation
1,418,171.49 : 2,127,275.76 = 471,542.21 : x - Step 2: Convert to fraction form
1,418,171.49/2,127,275.76 = 471,542.21/x - Step 3: Cross multiply
1,418,171.49x = 2,127,275.76 × 471,542.21 - Step 4: Simplify right side
1,418,171.49x = 1,003,100,302,513.45 - Step 5: Solve for x
x = 1,003,100,302,513.45/1,418,171.49 - Step 6: Final answer
x = 707,319.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.