Finding the Fourth Proportional to 1,731,535.17, 2,388,935.99 and 1,120,461.06
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Solution
The fourth proportional to 1,731,535.17, 2,388,935.99 and 1,120,461.06 is: 1,545,859.30
Step by Step Solution
- Step 1: Write the proportion equation
1,731,535.17 : 2,388,935.99 = 1,120,461.06 : x - Step 2: Convert to fraction form
1,731,535.17/2,388,935.99 = 1,120,461.06/x - Step 3: Cross multiply
1,731,535.17x = 2,388,935.99 × 1,120,461.06 - Step 4: Simplify right side
1,731,535.17x = 2,676,709,746,025.24 - Step 5: Solve for x
x = 2,676,709,746,025.24/1,731,535.17 - Step 6: Final answer
x = 1,545,859.30
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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.