Finding the Fourth Proportional to 2,058,120.06, 2,840,415.96 and 1,186,988.76
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Solution
The fourth proportional to 2,058,120.06, 2,840,415.96 and 1,186,988.76 is: 1,638,165.76
Step by Step Solution
- Step 1: Write the proportion equation
2,058,120.06 : 2,840,415.96 = 1,186,988.76 : x - Step 2: Convert to fraction form
2,058,120.06/2,840,415.96 = 1,186,988.76/x - Step 3: Cross multiply
2,058,120.06x = 2,840,415.96 × 1,186,988.76 - Step 4: Simplify right side
2,058,120.06x = 3,371,541,818,244.61 - Step 5: Solve for x
x = 3,371,541,818,244.61/2,058,120.06 - Step 6: Final answer
x = 1,638,165.76
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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.