Finding the Fourth Proportional to 1,979,517.79, 2,971,376.36 and 1,753,282.06
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Solution
The fourth proportional to 1,979,517.79, 2,971,376.36 and 1,753,282.06 is: 2,631,782.79
Step by Step Solution
- Step 1: Write the proportion equation
1,979,517.79 : 2,971,376.36 = 1,753,282.06 : x - Step 2: Convert to fraction form
1,979,517.79/2,971,376.36 = 1,753,282.06/x - Step 3: Cross multiply
1,979,517.79x = 2,971,376.36 × 1,753,282.06 - Step 4: Simplify right side
1,979,517.79x = 5,209,660,855,876.06 - Step 5: Solve for x
x = 5,209,660,855,876.06/1,979,517.79 - Step 6: Final answer
x = 2,631,782.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.