Finding the Fourth Proportional to 5,012,363.40, 6,917,069.38 and 2,720,525.08
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Solution
The fourth proportional to 5,012,363.40, 6,917,069.38 and 2,720,525.08 is: 3,754,328.89
Step by Step Solution
- Step 1: Write the proportion equation
5,012,363.40 : 6,917,069.38 = 2,720,525.08 : x - Step 2: Convert to fraction form
5,012,363.40/6,917,069.38 = 2,720,525.08/x - Step 3: Cross multiply
5,012,363.40x = 6,917,069.38 × 2,720,525.08 - Step 4: Simplify right side
5,012,363.40x = 18,818,060,728,390.05 - Step 5: Solve for x
x = 18,818,060,728,390.05/5,012,363.40 - Step 6: Final answer
x = 3,754,328.89
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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.