Finding the Fourth Proportional to 1,603,964.34, 2,213,386.08 and 915,608.82
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Solution
The fourth proportional to 1,603,964.34, 2,213,386.08 and 915,608.82 is: 1,263,491.82
Step by Step Solution
- Step 1: Write the proportion equation
1,603,964.34 : 2,213,386.08 = 915,608.82 : x - Step 2: Convert to fraction form
1,603,964.34/2,213,386.08 = 915,608.82/x - Step 3: Cross multiply
1,603,964.34x = 2,213,386.08 × 915,608.82 - Step 4: Simplify right side
1,603,964.34x = 2,026,595,816,913.23 - Step 5: Solve for x
x = 2,026,595,816,913.23/1,603,964.34 - Step 6: Final answer
x = 1,263,491.82
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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.