Finding the Fourth Proportional to 1,697,395.21, 2,342,466.99 and 972,383.05
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Solution
The fourth proportional to 1,697,395.21, 2,342,466.99 and 972,383.05 is: 1,341,923.90
Step by Step Solution
- Step 1: Write the proportion equation
1,697,395.21 : 2,342,466.99 = 972,383.05 : x - Step 2: Convert to fraction form
1,697,395.21/2,342,466.99 = 972,383.05/x - Step 3: Cross multiply
1,697,395.21x = 2,342,466.99 × 972,383.05 - Step 4: Simplify right side
1,697,395.21x = 2,277,775,199,685.73 - Step 5: Solve for x
x = 2,277,775,199,685.73/1,697,395.21 - Step 6: Final answer
x = 1,341,923.90
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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.