Finding the Fourth Proportional to 1,221,897.02, 1,834,186.36 and 970,791.62
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Solution
The fourth proportional to 1,221,897.02, 1,834,186.36 and 970,791.62 is: 1,457,252.71
Step by Step Solution
- Step 1: Write the proportion equation
1,221,897.02 : 1,834,186.36 = 970,791.62 : x - Step 2: Convert to fraction form
1,221,897.02/1,834,186.36 = 970,791.62/x - Step 3: Cross multiply
1,221,897.02x = 1,834,186.36 × 970,791.62 - Step 4: Simplify right side
1,221,897.02x = 1,780,612,747,806.30 - Step 5: Solve for x
x = 1,780,612,747,806.30/1,221,897.02 - Step 6: Final answer
x = 1,457,252.71
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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.