Finding the Fourth Proportional to 1,674,825.21, 2,311,214.99 and 977,239.44
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Solution
The fourth proportional to 1,674,825.21, 2,311,214.99 and 977,239.44 is: 1,348,564.87
Step by Step Solution
- Step 1: Write the proportion equation
1,674,825.21 : 2,311,214.99 = 977,239.44 : x - Step 2: Convert to fraction form
1,674,825.21/2,311,214.99 = 977,239.44/x - Step 3: Cross multiply
1,674,825.21x = 2,311,214.99 × 977,239.44 - Step 4: Simplify right side
1,674,825.21x = 2,258,610,437,661.01 - Step 5: Solve for x
x = 2,258,610,437,661.01/1,674,825.21 - Step 6: Final answer
x = 1,348,564.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.