Finding the Fourth Proportional to 3,480,028.14, 5,219,984.73 and 1,430,273.31
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Solution
The fourth proportional to 3,480,028.14, 5,219,984.73 and 1,430,273.31 is: 2,145,386.34
Step by Step Solution
- Step 1: Write the proportion equation
3,480,028.14 : 5,219,984.73 = 1,430,273.31 : x - Step 2: Convert to fraction form
3,480,028.14/5,219,984.73 = 1,430,273.31/x - Step 3: Cross multiply
3,480,028.14x = 5,219,984.73 × 1,430,273.31 - Step 4: Simplify right side
3,480,028.14x = 7,466,004,837,926.56 - Step 5: Solve for x
x = 7,466,004,837,926.56/3,480,028.14 - Step 6: Final answer
x = 2,145,386.34
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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.