Finding the Fourth Proportional to 2,058,465.62, 2,840,832.12 and 1,242,867.68
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Solution
The fourth proportional to 2,058,465.62, 2,840,832.12 and 1,242,867.68 is: 1,715,247.70
Step by Step Solution
- Step 1: Write the proportion equation
2,058,465.62 : 2,840,832.12 = 1,242,867.68 : x - Step 2: Convert to fraction form
2,058,465.62/2,840,832.12 = 1,242,867.68/x - Step 3: Cross multiply
2,058,465.62x = 2,840,832.12 × 1,242,867.68 - Step 4: Simplify right side
2,058,465.62x = 3,530,778,426,253.88 - Step 5: Solve for x
x = 3,530,778,426,253.88/2,058,465.62 - Step 6: Final answer
x = 1,715,247.70
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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.