Finding the Fourth Proportional to 3,428,365.60, 5,138,036.49 and 1,912,762.14
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Solution
The fourth proportional to 3,428,365.60, 5,138,036.49 and 1,912,762.14 is: 2,866,625.92
Step by Step Solution
- Step 1: Write the proportion equation
3,428,365.60 : 5,138,036.49 = 1,912,762.14 : x - Step 2: Convert to fraction form
3,428,365.60/5,138,036.49 = 1,912,762.14/x - Step 3: Cross multiply
3,428,365.60x = 5,138,036.49 × 1,912,762.14 - Step 4: Simplify right side
3,428,365.60x = 9,827,841,672,010.49 - Step 5: Solve for x
x = 9,827,841,672,010.49/3,428,365.60 - Step 6: Final answer
x = 2,866,625.92
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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.