Finding the Fourth Proportional to 2,058,444.09, 2,840,802.44 and 1,242,846.18
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Solution
The fourth proportional to 2,058,444.09, 2,840,802.44 and 1,242,846.18 is: 1,715,218.05
Step by Step Solution
- Step 1: Write the proportion equation
2,058,444.09 : 2,840,802.44 = 1,242,846.18 : x - Step 2: Convert to fraction form
2,058,444.09/2,840,802.44 = 1,242,846.18/x - Step 3: Cross multiply
2,058,444.09x = 2,840,802.44 × 1,242,846.18 - Step 4: Simplify right side
2,058,444.09x = 3,530,680,454,474.45 - Step 5: Solve for x
x = 3,530,680,454,474.45/2,058,444.09 - Step 6: Final answer
x = 1,715,218.05
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1.5x scale
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.