Finding the Fourth Proportional to 2,308,549.95, 3,185,699.36 and 1,276,004.07
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Solution
The fourth proportional to 2,308,549.95, 3,185,699.36 and 1,276,004.07 is: 1,760,830.58
Step by Step Solution
- Step 1: Write the proportion equation
2,308,549.95 : 3,185,699.36 = 1,276,004.07 : x - Step 2: Convert to fraction form
2,308,549.95/3,185,699.36 = 1,276,004.07/x - Step 3: Cross multiply
2,308,549.95x = 3,185,699.36 × 1,276,004.07 - Step 4: Simplify right side
2,308,549.95x = 4,064,965,342,776.38 - Step 5: Solve for x
x = 4,064,965,342,776.38/2,308,549.95 - Step 6: Final answer
x = 1,760,830.58
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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.