Finding the Fourth Proportional to 1,943,666.16, 2,682,276.76 and 1,072,539.60
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Solution
The fourth proportional to 1,943,666.16, 2,682,276.76 and 1,072,539.60 is: 1,480,114.28
Step by Step Solution
- Step 1: Write the proportion equation
1,943,666.16 : 2,682,276.76 = 1,072,539.60 : x - Step 2: Convert to fraction form
1,943,666.16/2,682,276.76 = 1,072,539.60/x - Step 3: Cross multiply
1,943,666.16x = 2,682,276.76 × 1,072,539.60 - Step 4: Simplify right side
1,943,666.16x = 2,876,848,043,259.70 - Step 5: Solve for x
x = 2,876,848,043,259.70/1,943,666.16 - Step 6: Final answer
x = 1,480,114.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.