Finding the Fourth Proportional to 2,058,423.84, 2,840,774.49 and 1,242,825.93
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Solution
The fourth proportional to 2,058,423.84, 2,840,774.49 and 1,242,825.93 is: 1,715,190.10
Step by Step Solution
- Step 1: Write the proportion equation
2,058,423.84 : 2,840,774.49 = 1,242,825.93 : x - Step 2: Convert to fraction form
2,058,423.84/2,840,774.49 = 1,242,825.93/x - Step 3: Cross multiply
2,058,423.84x = 2,840,774.49 × 1,242,825.93 - Step 4: Simplify right side
2,058,423.84x = 3,530,588,197,454.53 - Step 5: Solve for x
x = 3,530,588,197,454.53/2,058,423.84 - Step 6: Final answer
x = 1,715,190.10
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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.