Finding the Fourth Proportional to 1,393,454.86, 2,090,555.96 and 1,110,213.41
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Solution
The fourth proportional to 1,393,454.86, 2,090,555.96 and 1,110,213.41 is: 1,665,617.83
Step by Step Solution
- Step 1: Write the proportion equation
1,393,454.86 : 2,090,555.96 = 1,110,213.41 : x - Step 2: Convert to fraction form
1,393,454.86/2,090,555.96 = 1,110,213.41/x - Step 3: Cross multiply
1,393,454.86x = 2,090,555.96 × 1,110,213.41 - Step 4: Simplify right side
1,393,454.86x = 2,320,963,261,147.42 - Step 5: Solve for x
x = 2,320,963,261,147.42/1,393,454.86 - Step 6: Final answer
x = 1,665,617.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.