Finding the Fourth Proportional to 2,950,497.76, 4,071,812.56 and 1,643,749.06
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Solution
The fourth proportional to 2,950,497.76, 4,071,812.56 and 1,643,749.06 is: 2,268,443.70
Step by Step Solution
- Step 1: Write the proportion equation
2,950,497.76 : 4,071,812.56 = 1,643,749.06 : x - Step 2: Convert to fraction form
2,950,497.76/4,071,812.56 = 1,643,749.06/x - Step 3: Cross multiply
2,950,497.76x = 4,071,812.56 × 1,643,749.06 - Step 4: Simplify right side
2,950,497.76x = 6,693,038,067,996.19 - Step 5: Solve for x
x = 6,693,038,067,996.19/2,950,497.76 - Step 6: Final answer
x = 2,268,443.70
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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.