Finding the Fourth Proportional to 5,011,858.48, 6,916,368.20 and 2,720,019.12
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Solution
The fourth proportional to 5,011,858.48, 6,916,368.20 and 2,720,019.12 is: 3,753,628.28
Step by Step Solution
- Step 1: Write the proportion equation
5,011,858.48 : 6,916,368.20 = 2,720,019.12 : x - Step 2: Convert to fraction form
5,011,858.48/6,916,368.20 = 2,720,019.12/x - Step 3: Cross multiply
5,011,858.48x = 6,916,368.20 × 2,720,019.12 - Step 4: Simplify right side
5,011,858.48x = 18,812,653,744,959.98 - Step 5: Solve for x
x = 18,812,653,744,959.98/5,011,858.48 - Step 6: Final answer
x = 3,753,628.28
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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.