Finding the Fourth Proportional to 1,964,977.98, 2,711,641.84 and 1,105,536.18
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Solution
The fourth proportional to 1,964,977.98, 2,711,641.84 and 1,105,536.18 is: 1,525,624.30
Step by Step Solution
- Step 1: Write the proportion equation
1,964,977.98 : 2,711,641.84 = 1,105,536.18 : x - Step 2: Convert to fraction form
1,964,977.98/2,711,641.84 = 1,105,536.18/x - Step 3: Cross multiply
1,964,977.98x = 2,711,641.84 × 1,105,536.18 - Step 4: Simplify right side
1,964,977.98x = 2,997,818,161,321.77 - Step 5: Solve for x
x = 2,997,818,161,321.77/1,964,977.98 - Step 6: Final answer
x = 1,525,624.30
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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.