Finding the Fourth Proportional to 1,911,146.81, 2,866,726.11 and 471,830.38
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Solution
The fourth proportional to 1,911,146.81, 2,866,726.11 and 471,830.38 is: 707,747.03
Step by Step Solution
- Step 1: Write the proportion equation
1,911,146.81 : 2,866,726.11 = 471,830.38 : x - Step 2: Convert to fraction form
1,911,146.81/2,866,726.11 = 471,830.38/x - Step 3: Cross multiply
1,911,146.81x = 2,866,726.11 × 471,830.38 - Step 4: Simplify right side
1,911,146.81x = 1,352,608,475,053.48 - Step 5: Solve for x
x = 1,352,608,475,053.48/1,911,146.81 - Step 6: Final answer
x = 707,747.03
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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.