Finding the Fourth Proportional to 5,012,341.81, 6,917,037.98 and 2,720,503.10
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Solution
The fourth proportional to 5,012,341.81, 6,917,037.98 and 2,720,503.10 is: 3,754,297.69
Step by Step Solution
- Step 1: Write the proportion equation
5,012,341.81 : 6,917,037.98 = 2,720,503.10 : x - Step 2: Convert to fraction form
5,012,341.81/6,917,037.98 = 2,720,503.10/x - Step 3: Cross multiply
5,012,341.81x = 6,917,037.98 × 2,720,503.10 - Step 4: Simplify right side
5,012,341.81x = 18,817,823,271,097.82 - Step 5: Solve for x
x = 18,817,823,271,097.82/5,012,341.81 - Step 6: Final answer
x = 3,754,297.69
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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.