Finding the Fourth Proportional to 1,488,403.11, 2,053,747.29 and 876,677.67
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Solution
The fourth proportional to 1,488,403.11, 2,053,747.29 and 876,677.67 is: 1,209,668.52
Step by Step Solution
- Step 1: Write the proportion equation
1,488,403.11 : 2,053,747.29 = 876,677.67 : x - Step 2: Convert to fraction form
1,488,403.11/2,053,747.29 = 876,677.67/x - Step 3: Cross multiply
1,488,403.11x = 2,053,747.29 × 876,677.67 - Step 4: Simplify right side
1,488,403.11x = 1,800,474,388,966.01 - Step 5: Solve for x
x = 1,800,474,388,966.01/1,488,403.11 - Step 6: Final answer
x = 1,209,668.52
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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.