Finding the Fourth Proportional to 2,678,855.23, 3,695,347.83 and 1,696,996.12
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Solution
The fourth proportional to 2,678,855.23, 3,695,347.83 and 1,696,996.12 is: 2,340,921.92
Step by Step Solution
- Step 1: Write the proportion equation
2,678,855.23 : 3,695,347.83 = 1,696,996.12 : x - Step 2: Convert to fraction form
2,678,855.23/3,695,347.83 = 1,696,996.12/x - Step 3: Cross multiply
2,678,855.23x = 3,695,347.83 × 1,696,996.12 - Step 4: Simplify right side
2,678,855.23x = 6,270,990,929,560.42 - Step 5: Solve for x
x = 6,270,990,929,560.42/2,678,855.23 - Step 6: Final answer
x = 2,340,921.92
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1.5x scale
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.