Finding the Fourth Proportional to 3,613,966.68, 5,420,368.30 and 1,054,580.70
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Solution
The fourth proportional to 3,613,966.68, 5,420,368.30 and 1,054,580.70 is: 1,581,701.30
Step by Step Solution
- Step 1: Write the proportion equation
3,613,966.68 : 5,420,368.30 = 1,054,580.70 : x - Step 2: Convert to fraction form
3,613,966.68/5,420,368.30 = 1,054,580.70/x - Step 3: Cross multiply
3,613,966.68x = 5,420,368.30 × 1,054,580.70 - Step 4: Simplify right side
3,613,966.68x = 5,716,215,796,071.81 - Step 5: Solve for x
x = 5,716,215,796,071.81/3,613,966.68 - Step 6: Final answer
x = 1,581,701.30
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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.