Finding the Fourth Proportional to 3,722,403.60, 5,583,605.40 and 2,446,945.20
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Solution
The fourth proportional to 3,722,403.60, 5,583,605.40 and 2,446,945.20 is: 3,670,417.80
Step by Step Solution
- Step 1: Write the proportion equation
3,722,403.60 : 5,583,605.40 = 2,446,945.20 : x - Step 2: Convert to fraction form
3,722,403.60/5,583,605.40 = 2,446,945.20/x - Step 3: Cross multiply
3,722,403.60x = 5,583,605.40 × 2,446,945.20 - Step 4: Simplify right side
3,722,403.60x = 13,662,776,432,224.08 - Step 5: Solve for x
x = 13,662,776,432,224.08/3,722,403.60 - Step 6: Final answer
x = 3,670,417.80
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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.