Finding the Fourth Proportional to 5,012,257.09, 6,916,921.50 and 2,720,417.17
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Solution
The fourth proportional to 5,012,257.09, 6,916,921.50 and 2,720,417.17 is: 3,754,179.34
Step by Step Solution
- Step 1: Write the proportion equation
5,012,257.09 : 6,916,921.50 = 2,720,417.17 : x - Step 2: Convert to fraction form
5,012,257.09/6,916,921.50 = 2,720,417.17/x - Step 3: Cross multiply
5,012,257.09x = 6,916,921.50 × 2,720,417.17 - Step 4: Simplify right side
5,012,257.09x = 18,816,912,005,051.41 - Step 5: Solve for x
x = 18,816,912,005,051.41/5,012,257.09 - Step 6: Final answer
x = 3,754,179.34
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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.