Finding the Fourth Proportional to 2,460,638.60, 3,690,266.70 and 778,257.80
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Solution
The fourth proportional to 2,460,638.60, 3,690,266.70 and 778,257.80 is: 1,167,168.09
Step by Step Solution
- Step 1: Write the proportion equation
2,460,638.60 : 3,690,266.70 = 778,257.80 : x - Step 2: Convert to fraction form
2,460,638.60/3,690,266.70 = 778,257.80/x - Step 3: Cross multiply
2,460,638.60x = 3,690,266.70 × 778,257.80 - Step 4: Simplify right side
2,460,638.60x = 2,871,978,843,355.26 - Step 5: Solve for x
x = 2,871,978,843,355.26/2,460,638.60 - Step 6: Final answer
x = 1,167,168.09
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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.