Finding the Fourth Proportional to 3,497,784.08, 5,242,696.19 and 2,128,537.85
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Solution
The fourth proportional to 3,497,784.08, 5,242,696.19 and 2,128,537.85 is: 3,190,384.84
Step by Step Solution
- Step 1: Write the proportion equation
3,497,784.08 : 5,242,696.19 = 2,128,537.85 : x - Step 2: Convert to fraction form
3,497,784.08/5,242,696.19 = 2,128,537.85/x - Step 3: Cross multiply
3,497,784.08x = 5,242,696.19 × 2,128,537.85 - Step 4: Simplify right side
3,497,784.08x = 11,159,277,303,799.91 - Step 5: Solve for x
x = 11,159,277,303,799.91/3,497,784.08 - Step 6: Final answer
x = 3,190,384.84
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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.