Finding the Fourth Proportional to 1,372,140.16, 2,058,486.27 and 473,616.70
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Solution
The fourth proportional to 1,372,140.16, 2,058,486.27 and 473,616.70 is: 710,520.33
Step by Step Solution
- Step 1: Write the proportion equation
1,372,140.16 : 2,058,486.27 = 473,616.70 : x - Step 2: Convert to fraction form
1,372,140.16/2,058,486.27 = 473,616.70/x - Step 3: Cross multiply
1,372,140.16x = 2,058,486.27 × 473,616.70 - Step 4: Simplify right side
1,372,140.16x = 974,933,474,192.71 - Step 5: Solve for x
x = 974,933,474,192.71/1,372,140.16 - Step 6: Final answer
x = 710,520.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.