Finding the Fourth Proportional to 2,113,334.92, 2,916,402.18 and 1,207,936.36
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Solution
The fourth proportional to 2,113,334.92, 2,916,402.18 and 1,207,936.36 is: 1,666,952.17
Step by Step Solution
- Step 1: Write the proportion equation
2,113,334.92 : 2,916,402.18 = 1,207,936.36 : x - Step 2: Convert to fraction form
2,113,334.92/2,916,402.18 = 1,207,936.36/x - Step 3: Cross multiply
2,113,334.92x = 2,916,402.18 × 1,207,936.36 - Step 4: Simplify right side
2,113,334.92x = 3,522,828,233,605.27 - Step 5: Solve for x
x = 3,522,828,233,605.27/2,113,334.92 - Step 6: Final answer
x = 1,666,952.17
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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.