Finding the Fourth Proportional to 1,688,204.21, 2,329,943.67 and 962,885.66
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Solution
The fourth proportional to 1,688,204.21, 2,329,943.67 and 962,885.66 is: 1,328,908.75
Step by Step Solution
- Step 1: Write the proportion equation
1,688,204.21 : 2,329,943.67 = 962,885.66 : x - Step 2: Convert to fraction form
1,688,204.21/2,329,943.67 = 962,885.66/x - Step 3: Cross multiply
1,688,204.21x = 2,329,943.67 × 962,885.66 - Step 4: Simplify right side
1,688,204.21x = 2,243,469,348,450.77 - Step 5: Solve for x
x = 2,243,469,348,450.77/1,688,204.21 - Step 6: Final answer
x = 1,328,908.75
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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.