Finding the Fourth Proportional to 2,272,140.08, 3,135,443.64 and 1,239,586.64
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Solution
The fourth proportional to 2,272,140.08, 3,135,443.64 and 1,239,586.64 is: 1,710,569.73
Step by Step Solution
- Step 1: Write the proportion equation
2,272,140.08 : 3,135,443.64 = 1,239,586.64 : x - Step 2: Convert to fraction form
2,272,140.08/3,135,443.64 = 1,239,586.64/x - Step 3: Cross multiply
2,272,140.08x = 3,135,443.64 × 1,239,586.64 - Step 4: Simplify right side
2,272,140.08x = 3,886,654,046,616.97 - Step 5: Solve for x
x = 3,886,654,046,616.97/2,272,140.08 - Step 6: Final answer
x = 1,710,569.73
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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.