Finding the Fourth Proportional to 1,756,677.21, 2,424,087.26 and 971,709.95
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Solution
The fourth proportional to 1,756,677.21, 2,424,087.26 and 971,709.95 is: 1,340,889.31
Step by Step Solution
- Step 1: Write the proportion equation
1,756,677.21 : 2,424,087.26 = 971,709.95 : x - Step 2: Convert to fraction form
1,756,677.21/2,424,087.26 = 971,709.95/x - Step 3: Cross multiply
1,756,677.21x = 2,424,087.26 × 971,709.95 - Step 4: Simplify right side
1,756,677.21x = 2,355,509,693,231.25 - Step 5: Solve for x
x = 2,355,509,693,231.25/1,756,677.21 - Step 6: Final answer
x = 1,340,889.31
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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.