Finding the Fourth Proportional to 1,964,972.98, 2,711,634.94 and 1,105,531.19
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Solution
The fourth proportional to 1,964,972.98, 2,711,634.94 and 1,105,531.19 is: 1,525,617.41
Step by Step Solution
- Step 1: Write the proportion equation
1,964,972.98 : 2,711,634.94 = 1,105,531.19 : x - Step 2: Convert to fraction form
1,964,972.98/2,711,634.94 = 1,105,531.19/x - Step 3: Cross multiply
1,964,972.98x = 2,711,634.94 × 1,105,531.19 - Step 4: Simplify right side
1,964,972.98x = 2,997,796,997,298.69 - Step 5: Solve for x
x = 2,997,796,997,298.69/1,964,972.98 - Step 6: Final answer
x = 1,525,617.41
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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.